127117388 has 24 divisors (see below), whose sum is σ = 228508560. Its totient is φ = 61851200.

The previous prime is 127117379. The next prime is 127117421. The reversal of 127117388 is 883711721.

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, 21170 + ... + 26502.

It is an arithmetic number, because the mean of its divisors is an integer number (9521190).

Almost surely, 2^127117388 is an apocalyptic number.

It is an amenable number.

127117388 is a deficient number, since it is larger than the sum of its proper divisors (101391172).

127117388 is a wasteful number, since it uses less digits than its factorization.

127117388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497 (or 5495 counting only the distinct ones).

The product of its digits is 18816, while the sum is 38.

The square root of 127117388 is about 11274.6347169210. The cubic root of 127117388 is about 502.8073916030.

The spelling of 127117388 in words is "one hundred twenty-seven million, one hundred seventeen thousand, three hundred eighty-eight".