125290915 has 16 divisors (see below), whose sum is σ = 152268480. Its totient is φ = 98962560.

The previous prime is 125290909. The next prime is 125290927. The reversal of 125290915 is 519092521.

It is not a de Polignac number, because 125290915 - 2⁷ = 125290787 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150721 + ... + 151549.

It is an arithmetic number, because the mean of its divisors is an integer number (9516780).

Almost surely, 2^125290915 is an apocalyptic number.

125290915 is a deficient number, since it is larger than the sum of its proper divisors (26977565).

125290915 is a wasteful number, since it uses less digits than its factorization.

125290915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 125290915 is about 11193.3424409334. The cubic root of 125290915 is about 500.3875861430.

The spelling of 125290915 in words is "one hundred twenty-five million, two hundred ninety thousand, nine hundred fifteen".