127930656 has 96 divisors (see below), whose sum is σ = 387072000. Its totient is φ = 36239616.

The previous prime is 127930651. The next prime is 127930657. The reversal of 127930656 is 656039721.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (127930651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84595 + ... + 86093.

It is an arithmetic number, because the mean of its divisors is an integer number (4032000).

Almost surely, 2^127930656 is an apocalyptic number.

127930656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127930656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193536000).

127930656 is an abundant number, since it is smaller than the sum of its proper divisors (259141344).

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

127930656 is a wasteful number, since it uses less digits than its factorization.

127930656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646 (or 1638 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 127930656 is about 11310.6434830208. The cubic root of 127930656 is about 503.8773952212.

The spelling of 127930656 in words is "one hundred twenty-seven million, nine hundred thirty thousand, six hundred fifty-six".