125086906 has 12 divisors (see below), whose sum is σ = 218264058. Its totient is φ = 53608632.

The previous prime is 125086879. The next prime is 125086921. The reversal of 125086906 is 609680521.

It can be written as a sum of positive squares in only one way, i.e., 123409881 + 1677025 = 11109^2 + 1295^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 638101 + ... + 638296.

Almost surely, 2^125086906 is an apocalyptic number.

125086906 is a deficient number, since it is larger than the sum of its proper divisors (93177152).

125086906 is a wasteful number, since it uses less digits than its factorization.

125086906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276413 (or 1276406 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 125086906 is about 11184.2257666769. The cubic root of 125086906 is about 500.1158478232.

The spelling of 125086906 in words is "one hundred twenty-five million, eighty-six thousand, nine hundred six".