Is 122789 a prime number?

122 789 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 122 789 is about 350.413.

Thus, the square root of 122 789 is not an integer, and therefore 122 789 is not a square number.

Anyway, 122 789 is a prime number, and a prime number cannot be a perfect square.

The square of a number (here 122 789) is the result of the product of this number (122 789) by itself (i.e., 122 789 × 122 789); the square of 122 789 is sometimes called "raising 122 789 to the power 2", or "122 789 squared".

The square of 122 789 is 15 077 138 521 because 122 789 × 122 789 = 122 789² = 15 077 138 521.

As a consequence, 122 789 is the square root of 15 077 138 521.

122 789 is a number with 6 digits.

The multiples of 122 789 are all integers evenly divisible by 122 789, that is all numbers such that the remainder of the division by 122 789 is zero. There are infinitely many multiples of 122 789. The smallest multiples of 122 789 are:

• 0: indeed, 0 is divisible by any natural number, and it is thus a multiple of 122 789 too, since 0 × 122 789 = 0
• 122 789: indeed, 122 789 is a multiple of itself, since 122 789 is evenly divisible by 122 789 (we have 122 789 / 122 789 = 1, so the remainder of this division is indeed zero)
• 245 578: indeed, 245 578 = 122 789 × 2
• 368 367: indeed, 368 367 = 122 789 × 3
• 491 156: indeed, 491 156 = 122 789 × 4
• 613 945: indeed, 613 945 = 122 789 × 5
• etc.

• Preceding numbers: …122 787, 122 788
• Following numbers: 122 790, 122 791…

Nearest numbers from 122 789

• Preceding prime number: 122 777
• Following prime number: 122 819

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• 122 789 est-il un nombre premier ?