120777456 has 20 divisors (see below), whose sum is σ = 312008552. Its totient is φ = 40259136.

The previous prime is 120777443. The next prime is 120777467. The reversal of 120777456 is 654777021.

It is a congruent number.

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, 1258051 + ... + 1258146.

Almost surely, 2^120777456 is an apocalyptic number.

120777456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

120777456 is an abundant number, since it is smaller than the sum of its proper divisors (191231096).

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

120777456 is a wasteful number, since it uses less digits than its factorization.

120777456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516208 (or 2516202 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 39.

The square root of 120777456 is about 10989.8797081679. The cubic root of 120777456 is about 494.3053290101.

The spelling of 120777456 in words is "one hundred twenty million, seven hundred seventy-seven thousand, four hundred fifty-six".