125254457 has 2 divisors, whose sum is σ = 125254458. Its totient is φ = 125254456.

The previous prime is 125254427. The next prime is 125254501. The reversal of 125254457 is 754452521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122855056 + 2399401 = 11084^2 + 1549^2 .

It is a cyclic number.

It is not a de Polignac number, because 125254457 - 2¹⁴ = 125238073 is a prime.

It is not a weakly prime, because it can be changed into another prime (125254427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62627228 + 62627229.

It is an arithmetic number, because the mean of its divisors is an integer number (62627229).

Almost surely, 2^125254457 is an apocalyptic number.

It is an amenable number.

125254457 is a deficient number, since it is larger than the sum of its proper divisors (1).

125254457 is an equidigital number, since it uses as much as digits as its factorization.

125254457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56000, while the sum is 35.

The square root of 125254457 is about 11191.7137651032. The cubic root of 125254457 is about 500.3390460436.

The spelling of 125254457 in words is "one hundred twenty-five million, two hundred fifty-four thousand, four hundred fifty-seven".