125255957 has 2 divisors, whose sum is σ = 125255958. Its totient is φ = 125255956.

The previous prime is 125255951. The next prime is 125256007. The reversal of 125255957 is 759552521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94497841 + 30758116 = 9721^2 + 5546^2 .

It is a cyclic number.

It is not a de Polignac number, because 125255957 - 2⁴ = 125255941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125255951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62627978 + 62627979.

It is an arithmetic number, because the mean of its divisors is an integer number (62627979).

Almost surely, 2^125255957 is an apocalyptic number.

It is an amenable number.

125255957 is a deficient number, since it is larger than the sum of its proper divisors (1).

125255957 is an equidigital number, since it uses as much as digits as its factorization.

125255957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157500, while the sum is 41.

The square root of 125255957 is about 11191.7807787680. The cubic root of 125255957 is about 500.3410433260.

The spelling of 125255957 in words is "one hundred twenty-five million, two hundred fifty-five thousand, nine hundred fifty-seven".