127939568 has 20 divisors (see below), whose sum is σ = 248927520. Its totient is φ = 63700224.

The previous prime is 127939543. The next prime is 127939583. The reversal of 127939568 is 865939721.

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, 12905 + ... + 20552.

It is an arithmetic number, because the mean of its divisors is an integer number (12446376).

Almost surely, 2^127939568 is an apocalyptic number.

It is an amenable number.

127939568 is a deficient number, since it is larger than the sum of its proper divisors (120987952).

127939568 is a wasteful number, since it uses less digits than its factorization.

127939568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33704 (or 33698 counting only the distinct ones).

The product of its digits is 816480, while the sum is 50.

The square root of 127939568 is about 11311.0374413667. The cubic root of 127939568 is about 503.8890954429.

The spelling of 127939568 in words is "one hundred twenty-seven million, nine hundred thirty-nine thousand, five hundred sixty-eight".