128087075125 has 16 divisors (see below), whose sum is σ = 162562046400. Its totient is φ = 100732880400.

The previous prime is 128087075071. The next prime is 128087075131. The reversal of 128087075125 is 521570780821.

It is not a de Polignac number, because 128087075125 - 2¹⁵ = 128087042357 is a prime.

It is a congruent number.

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, 8676495 + ... + 8691244.

It is an arithmetic number, because the mean of its divisors is an integer number (10160127900).

Almost surely, 2^128087075125 is an apocalyptic number.

It is an amenable number.

128087075125 is a deficient number, since it is larger than the sum of its proper divisors (34474971275).

128087075125 is an equidigital number, since it uses as much as digits as its factorization.

128087075125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17367813 (or 17367803 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 46.

The spelling of 128087075125 in words is "one hundred twenty-eight billion, eighty-seven million, seventy-five thousand, one hundred twenty-five".