127631928 has 16 divisors (see below), whose sum is σ = 319079880. Its totient is φ = 42543968.

The previous prime is 127631891. The next prime is 127631941. The reversal of 127631928 is 829136721.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2658975 + ... + 2659022.

Almost surely, 2^127631928 is an apocalyptic number.

It is an amenable number.

127631928 is an abundant number, since it is smaller than the sum of its proper divisors (191447952).

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

127631928 is a wasteful number, since it uses less digits than its factorization.

127631928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5318006 (or 5318002 counting only the distinct ones).

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

The square root of 127631928 is about 11297.4301502598. The cubic root of 127631928 is about 503.4848919598.

The spelling of 127631928 in words is "one hundred twenty-seven million, six hundred thirty-one thousand, nine hundred twenty-eight".