120648256 has 21 divisors (see below), whose sum is σ = 239585881. Its totient is φ = 60280192.

The previous prime is 120648223. The next prime is 120648257. The reversal of 120648256 is 652846021.

The square root of 120648256 is 10984.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 119246400 + 1401856 = 10920^2 + 1184^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120648257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 87186 + ... + 88558.

Almost surely, 2^120648256 is an apocalyptic number.

120648256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

120648256 is the 10984-th square number.

It is an amenable number.

120648256 is a deficient number, since it is larger than the sum of its proper divisors (118937625).

120648256 is an frugal number, since it uses more digits than its factorization.

120648256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758 (or 1375 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The cubic root of 120648256 is about 494.1290073774.

The spelling of 120648256 in words is "one hundred twenty million, six hundred forty-eight thousand, two hundred fifty-six".