127693128 has 32 divisors (see below), whose sum is σ = 322529760. Its totient is φ = 42124800.

The previous prime is 127693121. The next prime is 127693213. The reversal of 127693128 is 821396721.

It is not an unprimeable number, because it can be changed into a prime (127693121) by changing a digit.

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, 25098 + ... + 29753.

It is an arithmetic number, because the mean of its divisors is an integer number (10079055).

Almost surely, 2^127693128 is an apocalyptic number.

It is an amenable number.

127693128 is an abundant number, since it is smaller than the sum of its proper divisors (194836632).

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

127693128 is a wasteful number, since it uses less digits than its factorization.

127693128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54957 (or 54953 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 127693128 is about 11300.1384062320. The cubic root of 127693128 is about 503.5653534142.

The spelling of 127693128 in words is "one hundred twenty-seven million, six hundred ninety-three thousand, one hundred twenty-eight".