125400955 has 16 divisors (see below), whose sum is σ = 156072384. Its totient is φ = 96647040.

The previous prime is 125400949. The next prime is 125400967. The reversal of 125400955 is 559004521.

It is not a de Polignac number, because 125400955 - 2⁵ = 125400923 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15765 + ... + 22345.

It is an arithmetic number, because the mean of its divisors is an integer number (9754524).

Almost surely, 2^125400955 is an apocalyptic number.

125400955 is a deficient number, since it is larger than the sum of its proper divisors (30671429).

125400955 is a wasteful number, since it uses less digits than its factorization.

125400955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6726.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 125400955 is about 11198.2567839820. The cubic root of 125400955 is about 500.5340360745.

The spelling of 125400955 in words is "one hundred twenty-five million, four hundred thousand, nine hundred fifty-five".