120660256 has 48 divisors (see below), whose sum is σ = 246629880. Its totient is φ = 58060800.

The previous prime is 120660247. The next prime is 120660263. The reversal of 120660256 is 652066021.

It can be written as a sum of positive squares in 4 ways, for example, as 120560400 + 99856 = 10980^2 + 316^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119080 + ... + 120088.

Almost surely, 2^120660256 is an apocalyptic number.

120660256 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 120660256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123314940).

120660256 is an abundant number, since it is smaller than the sum of its proper divisors (125969624).

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

120660256 is a wasteful number, since it uses less digits than its factorization.

120660256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157 (or 1149 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 120660256 is about 10984.5462355074. The cubic root of 120660256 is about 494.1453893009.

The spelling of 120660256 in words is "one hundred twenty million, six hundred sixty thousand, two hundred fifty-six".