125666075 has 12 divisors (see below), whose sum is σ = 156531648. Its totient is φ = 100077600.

The previous prime is 125666053. The next prime is 125666083. The reversal of 125666075 is 570666521.

It is not a de Polignac number, because 125666075 - 2¹⁰ = 125665051 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5696 + ... + 16845.

It is an arithmetic number, because the mean of its divisors is an integer number (13044304).

Almost surely, 2^125666075 is an apocalyptic number.

125666075 is a deficient number, since it is larger than the sum of its proper divisors (30865573).

125666075 is a wasteful number, since it uses less digits than its factorization.

125666075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22774 (or 22769 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 125666075 is about 11210.0880906441. The cubic root of 125666075 is about 500.8865272100.

The spelling of 125666075 in words is "one hundred twenty-five million, six hundred sixty-six thousand, seventy-five".