125125765 has 16 divisors (see below), whose sum is σ = 155437056. Its totient is φ = 96595200.

The previous prime is 125125757. The next prime is 125125801. The reversal of 125125765 is 567521521.

It is not a de Polignac number, because 125125765 - 2³ = 125125757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125125765.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65869 + ... + 67741.

It is an arithmetic number, because the mean of its divisors is an integer number (9714816).

Almost surely, 2^125125765 is an apocalyptic number.

It is an amenable number.

125125765 is a deficient number, since it is larger than the sum of its proper divisors (30311291).

125125765 is a wasteful number, since it uses less digits than its factorization.

125125765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340.

The product of its digits is 21000, while the sum is 34.

The square root of 125125765 is about 11185.9628552932. The cubic root of 125125765 is about 500.1676304604.

The spelling of 125125765 in words is "one hundred twenty-five million, one hundred twenty-five thousand, seven hundred sixty-five".