125462489 has 2 divisors, whose sum is σ = 125462490. Its totient is φ = 125462488.

The previous prime is 125462471. The next prime is 125462509. The reversal of 125462489 is 984264521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98505625 + 26956864 = 9925^2 + 5192^2 .

It is a cyclic number.

It is not a de Polignac number, because 125462489 - 2¹² = 125458393 is a prime.

It is a super-2 number, since 2×125462489² = 31481672292150242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (125462429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62731244 + 62731245.

It is an arithmetic number, because the mean of its divisors is an integer number (62731245).

Almost surely, 2^125462489 is an apocalyptic number.

It is an amenable number.

125462489 is a deficient number, since it is larger than the sum of its proper divisors (1).

125462489 is an equidigital number, since it uses as much as digits as its factorization.

125462489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 41.

The square root of 125462489 is about 11201.0039282200. The cubic root of 125462489 is about 500.6158930400.

The spelling of 125462489 in words is "one hundred twenty-five million, four hundred sixty-two thousand, four hundred eighty-nine".