125522915 has 16 divisors (see below), whose sum is σ = 172908480. Its totient is φ = 85691520.

The previous prime is 125522899. The next prime is 125522927. The reversal of 125522915 is 519225521.

It is not a de Polignac number, because 125522915 - 2⁴ = 125522899 is a prime.

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, 185 + ... + 15845.

It is an arithmetic number, because the mean of its divisors is an integer number (10806780).

Almost surely, 2^125522915 is an apocalyptic number.

125522915 is a deficient number, since it is larger than the sum of its proper divisors (47385565).

125522915 is a wasteful number, since it uses less digits than its factorization.

125522915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15902.

The product of its digits is 9000, while the sum is 32.

The square root of 125522915 is about 11203.7009510251. The cubic root of 125522915 is about 500.6962500218.

The spelling of 125522915 in words is "one hundred twenty-five million, five hundred twenty-two thousand, nine hundred fifteen".