125315589 has 24 divisors (see below), whose sum is σ = 195797280. Its totient is φ = 71082144.

The previous prime is 125315579. The next prime is 125315611. The reversal of 125315589 is 985513521.

It is not a de Polignac number, because 125315589 - 2⁷ = 125315461 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125315539) 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, 17367 + ... + 23499.

It is an arithmetic number, because the mean of its divisors is an integer number (8158220).

Almost surely, 2^125315589 is an apocalyptic number.

It is an amenable number.

125315589 is a deficient number, since it is larger than the sum of its proper divisors (70481691).

125315589 is a wasteful number, since it uses less digits than its factorization.

125315589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6289 (or 6282 counting only the distinct ones).

The product of its digits is 54000, while the sum is 39.

The square root of 125315589 is about 11194.4445596912. Note that the first 3 decimals coincide. The cubic root of 125315589 is about 500.4204317086.

The spelling of 125315589 in words is "one hundred twenty-five million, three hundred fifteen thousand, five hundred eighty-nine".