125071976428 has 24 divisors (see below), whose sum is σ = 264858304032. Its totient is φ = 50449200384.

The previous prime is 125071976387. The next prime is 125071976441. The reversal of 125071976428 is 824679170521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131377651 + ... + 131378602.

It is an arithmetic number, because the mean of its divisors is an integer number (11035762668).

Almost surely, 2^125071976428 is an apocalyptic number.

It is an amenable number.

125071976428 is an abundant number, since it is smaller than the sum of its proper divisors (139786327604).

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

125071976428 is a wasteful number, since it uses less digits than its factorization.

125071976428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262756281 (or 262756279 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 125071976428 in words is "one hundred twenty-five billion, seventy-one million, nine hundred seventy-six thousand, four hundred twenty-eight".