125959015 has 16 divisors (see below), whose sum is σ = 186032448. Its totient is φ = 79727616.

The previous prime is 125959007. The next prime is 125959021. The reversal of 125959015 is 510959521.

It is a cyclic number.

It is not a de Polignac number, because 125959015 - 2³ = 125959007 is a prime.

It is a congruent number.

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, 137962 + ... + 138871.

It is an arithmetic number, because the mean of its divisors is an integer number (11627028).

Almost surely, 2^125959015 is an apocalyptic number.

125959015 is a deficient number, since it is larger than the sum of its proper divisors (60073433).

125959015 is a wasteful number, since it uses less digits than its factorization.

125959015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276858.

The product of its (nonzero) digits is 20250, while the sum is 37.

The square root of 125959015 is about 11223.1463948396. The cubic root of 125959015 is about 501.2754304546.

The spelling of 125959015 in words is "one hundred twenty-five million, nine hundred fifty-nine thousand, fifteen".