120900256 has 24 divisors (see below), whose sum is σ = 238309344. Its totient is φ = 60377280.

The previous prime is 120900193. The next prime is 120900323. The reversal of 120900256 is 652009021.

It is a self number, because there is not a number n which added to its sum of digits gives 120900256.

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, 33181 + ... + 36643.

It is an arithmetic number, because the mean of its divisors is an integer number (9929556).

Almost surely, 2^120900256 is an apocalyptic number.

120900256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

120900256 is a deficient number, since it is larger than the sum of its proper divisors (117409088).

120900256 is a wasteful number, since it uses less digits than its factorization.

120900256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564 (or 4556 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 120900256 is about 10995.4652470916. The cubic root of 120900256 is about 494.4727999262.

Adding to 120900256 its reverse (652009021), we get a palindrome (772909277).

The spelling of 120900256 in words is "one hundred twenty million, nine hundred thousand, two hundred fifty-six".