Is 123201 a prime number?

123 201 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 123 201 is 351.

Therefore, the square root of 123 201 is an integer, and as a consequence 123 201 is a perfect square.

As a consequence, 351 is the square root of 123 201.

The square of a number (here 123 201) is the result of the product of this number (123 201) by itself (i.e., 123 201 × 123 201); the square of 123 201 is sometimes called "raising 123 201 to the power 2", or "123 201 squared".

The square of 123 201 is 15 178 486 401 because 123 201 × 123 201 = 123 201² = 15 178 486 401.

As a consequence, 123 201 is the square root of 15 178 486 401.

123 201 is a number with 6 digits.

The multiples of 123 201 are all integers evenly divisible by 123 201, that is all numbers such that the remainder of the division by 123 201 is zero. There are infinitely many multiples of 123 201. The smallest multiples of 123 201 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 123 201 too, since 0 × 123 201 = 0
• 123 201: indeed, 123 201 is a multiple of itself, since 123 201 is evenly divisible by 123 201 (we have 123 201 / 123 201 = 1, so the remainder of this division is indeed zero)
• 246 402: indeed, 246 402 = 123 201 × 2
• 369 603: indeed, 369 603 = 123 201 × 3
• 492 804: indeed, 492 804 = 123 201 × 4
• 616 005: indeed, 616 005 = 123 201 × 5
• etc.

• Preceding numbers: …123 199, 123 200
• Following numbers: 123 202, 123 203…

Nearest numbers from 123 201

• Preceding prime number: 123 191
• Following prime number: 123 203

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• 123 201 est-il un nombre premier ?