Is 987123 a prime number?

987 123 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 987 123 is about 993.541.

Thus, the square root of 987 123 is not an integer, and therefore 987 123 is not a square number.

The square of a number (here 987 123) is the result of the product of this number (987 123) by itself (i.e., 987 123 × 987 123); the square of 987 123 is sometimes called "raising 987 123 to the power 2", or "987 123 squared".

The square of 987 123 is 974 411 817 129 because 987 123 × 987 123 = 987 123² = 974 411 817 129.

As a consequence, 987 123 is the square root of 974 411 817 129.

987 123 is a number with 6 digits.

The multiples of 987 123 are all integers evenly divisible by 987 123, that is all numbers such that the remainder of the division by 987 123 is zero. There are infinitely many multiples of 987 123. The smallest multiples of 987 123 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 987 123 too, since 0 × 987 123 = 0
• 987 123: indeed, 987 123 is a multiple of itself, since 987 123 is evenly divisible by 987 123 (we have 987 123 / 987 123 = 1, so the remainder of this division is indeed zero)
• 1 974 246: indeed, 1 974 246 = 987 123 × 2
• 2 961 369: indeed, 2 961 369 = 987 123 × 3
• 3 948 492: indeed, 3 948 492 = 987 123 × 4
• 4 935 615: indeed, 4 935 615 = 987 123 × 5
• etc.

• Preceding numbers: …987 121, 987 122
• Following numbers: 987 124, 987 125…

Nearest numbers from 987 123

• Preceding prime number: 987 101
• Following prime number: 987 127

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• 987 123 est-il un nombre premier ?