It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 120 738 is not a prime number.
For example, 120 738 can be divided by 2: 120 738 / 2 = 60 369.
For 120 738 to be a prime number, it would have been required that 120 738 has only two divisors, i.e., itself and 1.
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120 738 is an even number, because it is evenly divisible by 2: 120 738 / 2 = 60 369.
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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 120 738 is about 347.474.
Thus, the square root of 120 738 is not an integer, and therefore 120 738 is not a square number.
The square of a number (here 120 738) is the result of the product of this number (120 738) by itself (i.e., 120 738 × 120 738); the square of 120 738 is sometimes called "raising 120 738 to the power 2", or "120 738 squared".
The square of 120 738 is 14 577 664 644 because 120 738 × 120 738 = 120 7382 = 14 577 664 644.
As a consequence, 120 738 is the square root of 14 577 664 644.
The multiples of 120 738 are all integers evenly divisible by 120 738, that is all numbers such that the remainder of the division by 120 738 is zero. There are infinitely many multiples of 120 738. The smallest multiples of 120 738 are: