125871609292 has 48 divisors (see below), whose sum is σ = 260230924800. Its totient is φ = 52518173760.

The previous prime is 125871609233. The next prime is 125871609307. The reversal of 125871609292 is 292906178521.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512292 + ... + 717067.

It is an arithmetic number, because the mean of its divisors is an integer number (5421477600).

Almost surely, 2^125871609292 is an apocalyptic number.

It is an amenable number.

125871609292 is an abundant number, since it is smaller than the sum of its proper divisors (134359315508).

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

125871609292 is a wasteful number, since it uses less digits than its factorization.

125871609292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229566 (or 1229564 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 125871609292 in words is "one hundred twenty-five billion, eight hundred seventy-one million, six hundred nine thousand, two hundred ninety-two".