Is 124021 a prime number?

124 021 is an odd number, because it is not evenly divisible by 2.

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• What is an even number?

A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 124 021 is about 352.166.

Thus, the square root of 124 021 is not an integer, and therefore 124 021 is not a square number.

Anyway, 124 021 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 124 021) is the result of the product of this number (124 021) by itself (i.e., 124 021 × 124 021); the square of 124 021 is sometimes called "raising 124 021 to the power 2", or "124 021 squared".

The square of 124 021 is 15 381 208 441 because 124 021 × 124 021 = 124 021² = 15 381 208 441.

As a consequence, 124 021 is the square root of 15 381 208 441.

124 021 is a number with 6 digits.

The multiples of 124 021 are all integers evenly divisible by 124 021, that is all numbers such that the remainder of the division by 124 021 is zero. There are infinitely many multiples of 124 021. The smallest multiples of 124 021 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 124 021 too, since 0 × 124 021 = 0
• 124 021: indeed, 124 021 is a multiple of itself, since 124 021 is evenly divisible by 124 021 (we have 124 021 / 124 021 = 1, so the remainder of this division is indeed zero)
• 248 042: indeed, 248 042 = 124 021 × 2
• 372 063: indeed, 372 063 = 124 021 × 3
• 496 084: indeed, 496 084 = 124 021 × 4
• 620 105: indeed, 620 105 = 124 021 × 5
• etc.

• Preceding numbers: …124 019, 124 020
• Following numbers: 124 022, 124 023…

Nearest numbers from 124 021

• Preceding prime number: 124 001
• Following prime number: 124 067

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• 124 021 est-il un nombre premier ?