127788256 has 24 divisors (see below), whose sum is σ = 251856864. Its totient is φ = 63824640.

The previous prime is 127788209. The next prime is 127788263. The reversal of 127788256 is 652887721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40761 + ... + 43783.

It is an arithmetic number, because the mean of its divisors is an integer number (10494036).

Almost surely, 2^127788256 is an apocalyptic number.

127788256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

127788256 is a deficient number, since it is larger than the sum of its proper divisors (124068608).

127788256 is a wasteful number, since it uses less digits than its factorization.

127788256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4354 (or 4346 counting only the distinct ones).

The product of its digits is 376320, while the sum is 46.

The square root of 127788256 is about 11304.3467745819. The cubic root of 127788256 is about 503.6903699939.

The spelling of 127788256 in words is "one hundred twenty-seven million, seven hundred eighty-eight thousand, two hundred fifty-six".