125395689 has 24 divisors (see below), whose sum is σ = 179692128. Its totient is φ = 77509120.

The previous prime is 125395667. The next prime is 125395691. The reversal of 125395689 is 986593521.

It is a happy number.

It is not a de Polignac number, because 125395689 - 2⁵ = 125395657 is a prime.

Its product of digits (583200) is a multiple of the sum of its prime divisors (288).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125395619) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 915229 + ... + 915365.

It is an arithmetic number, because the mean of its divisors is an integer number (7487172).

Almost surely, 2^125395689 is an apocalyptic number.

It is an amenable number.

125395689 is a deficient number, since it is larger than the sum of its proper divisors (54296439).

125395689 is a wasteful number, since it uses less digits than its factorization.

125395689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 288 counting only the distinct ones).

The product of its digits is 583200, while the sum is 48.

The square root of 125395689 is about 11198.0216556319. The cubic root of 125395689 is about 500.5270296177.

The spelling of 125395689 in words is "one hundred twenty-five million, three hundred ninety-five thousand, six hundred eighty-nine".