It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 122 674 is not a prime number.
For example, 122 674 can be divided by 2: 122 674 / 2 = 61 337.
For 122 674 to be a prime number, it would have been required that 122 674 has only two divisors, i.e., itself and 1.
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122 674 is an even number, because it is evenly divisible by 2: 122 674 / 2 = 61 337.
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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 122 674 is about 350.248.
Thus, the square root of 122 674 is not an integer, and therefore 122 674 is not a square number.
The square of a number (here 122 674) is the result of the product of this number (122 674) by itself (i.e., 122 674 × 122 674); the square of 122 674 is sometimes called "raising 122 674 to the power 2", or "122 674 squared".
The square of 122 674 is 15 048 910 276 because 122 674 × 122 674 = 122 6742 = 15 048 910 276.
As a consequence, 122 674 is the square root of 15 048 910 276.
The multiples of 122 674 are all integers evenly divisible by 122 674, that is all numbers such that the remainder of the division by 122 674 is zero. There are infinitely many multiples of 122 674. The smallest multiples of 122 674 are: