Q: Is 1,616,121 a Prime Number?
A: No, 1,616,121 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 1616121 can be evenly divided by 1 3 9 13 19 39 57 117 171 247 727 741 2,181 2,223 6,543 9,451 13,813 28,353 41,439 85,059 124,317 179,569 538,707 and 1,616,121, with no remainder.
Since 1,616,121 cannot be divided by just 1 and 1,616,121, it is not a prime number.