125976906 has 24 divisors (see below), whose sum is σ = 297764064. Its totient is φ = 38174760.

The previous prime is 125976889. The next prime is 125976941. The reversal of 125976906 is 609679521.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 317926 + ... + 318321.

It is an arithmetic number, because the mean of its divisors is an integer number (12406836).

Almost surely, 2^125976906 is an apocalyptic number.

125976906 is an abundant number, since it is smaller than the sum of its proper divisors (171787158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125976906 is a wasteful number, since it uses less digits than its factorization.

125976906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636266 (or 636263 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 125976906 is about 11223.9434246614. The cubic root of 125976906 is about 501.2991627619.

It can be divided in two parts, 12597 and 6906, that added together give a triangular number (19503 = T₁₉₇).

The spelling of 125976906 in words is "one hundred twenty-five million, nine hundred seventy-six thousand, nine hundred six".