125397311 has 32 divisors (see below), whose sum is σ = 147837312. Its totient is φ = 105431040.

The previous prime is 125397301. The next prime is 125397317. The reversal of 125397311 is 113793521.

It is not a de Polignac number, because 125397311 - 2¹⁰ = 125396287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125397317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 649631 + ... + 649823.

It is an arithmetic number, because the mean of its divisors is an integer number (4619916).

Almost surely, 2^125397311 is an apocalyptic number.

125397311 is a deficient number, since it is larger than the sum of its proper divisors (22440001).

125397311 is a wasteful number, since it uses less digits than its factorization.

125397311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323.

The product of its digits is 5670, while the sum is 32.

The square root of 125397311 is about 11198.0940789047. The cubic root of 125397311 is about 500.5291877231.

The spelling of 125397311 in words is "one hundred twenty-five million, three hundred ninety-seven thousand, three hundred eleven".