125171270156 has 24 divisors (see below), whose sum is σ = 222224315040. Its totient is φ = 61679318400.

The previous prime is 125171270141. The next prime is 125171270177. The reversal of 125171270156 is 651072171521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628550 + ... + 803378.

It is an arithmetic number, because the mean of its divisors is an integer number (9259346460).

Almost surely, 2^125171270156 is an apocalyptic number.

It is an amenable number.

125171270156 is a deficient number, since it is larger than the sum of its proper divisors (97053044884).

125171270156 is a wasteful number, since it uses less digits than its factorization.

125171270156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177425 (or 177423 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 38.

The spelling of 125171270156 in words is "one hundred twenty-five billion, one hundred seventy-one million, two hundred seventy thousand, one hundred fifty-six".