127988925 has 24 divisors (see below), whose sum is σ = 218438400. Its totient is φ = 66057600.

The previous prime is 127988911. The next prime is 127988947. The reversal of 127988925 is 529889721.

It is not a de Polignac number, because 127988925 - 2⁸ = 127988669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25200 + ... + 29849.

It is an arithmetic number, because the mean of its divisors is an integer number (9101600).

Almost surely, 2^127988925 is an apocalyptic number.

127988925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

127988925 is a deficient number, since it is larger than the sum of its proper divisors (90449475).

127988925 is a wasteful number, since it uses less digits than its factorization.

127988925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55093 (or 55088 counting only the distinct ones).

The product of its digits is 725760, while the sum is 51.

The square root of 127988925 is about 11313.2190379220. The cubic root of 127988925 is about 503.9538845120.

The spelling of 127988925 in words is "one hundred twenty-seven million, nine hundred eighty-eight thousand, nine hundred twenty-five".