125079507 has 36 divisors (see below), whose sum is σ = 211463616. Its totient is φ = 71033760.

The previous prime is 125079503. The next prime is 125079533. The reversal of 125079507 is 705970521.

It is not a de Polignac number, because 125079507 - 2² = 125079503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125079503) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 79038 + ... + 80604.

Almost surely, 2^125079507 is an apocalyptic number.

125079507 is a deficient number, since it is larger than the sum of its proper divisors (86384109).

125079507 is a wasteful number, since it uses less digits than its factorization.

125079507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768 (or 1758 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 125079507 is about 11183.8949834125. The cubic root of 125079507 is about 500.1059868653.

The spelling of 125079507 in words is "one hundred twenty-five million, seventy-nine thousand, five hundred seven".