127157128875 has 96 divisors (see below), whose sum is σ = 262866764160. Its totient is φ = 57929529600.

The previous prime is 127157128859. The next prime is 127157128897. The reversal of 127157128875 is 578821751721.

It is not a de Polignac number, because 127157128875 - 2⁴ = 127157128859 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2279821 + ... + 2334929.

It is an arithmetic number, because the mean of its divisors is an integer number (2738195460).

Almost surely, 2^127157128875 is an apocalyptic number.

127157128875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

127157128875 is an abundant number, since it is smaller than the sum of its proper divisors (135709635285).

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

127157128875 is a wasteful number, since it uses less digits than its factorization.

127157128875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55430 (or 55417 counting only the distinct ones).

The product of its digits is 2195200, while the sum is 54.

The spelling of 127157128875 in words is "one hundred twenty-seven billion, one hundred fifty-seven million, one hundred twenty-eight thousand, eight hundred seventy-five".