128837056 has 14 divisors (see below), whose sum is σ = 255661160. Its totient is φ = 64418496.

The previous prime is 128837041. The next prime is 128837069. The reversal of 128837056 is 650738821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006476 + ... + 1006603.

Almost surely, 2^128837056 is an apocalyptic number.

128837056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

128837056 is a deficient number, since it is larger than the sum of its proper divisors (126824104).

128837056 is an equidigital number, since it uses as much as digits as its factorization.

128837056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013091 (or 2013081 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 128837056 is about 11350.6412153675. The cubic root of 128837056 is about 505.0646010877.

The spelling of 128837056 in words is "one hundred twenty-eight million, eight hundred thirty-seven thousand, fifty-six".