120455620 has 12 divisors (see below), whose sum is σ = 252956844. Its totient is φ = 48182240.

The previous prime is 120455617. The next prime is 120455651. The reversal of 120455620 is 26554021.

It can be written as a sum of positive squares in 2 ways, for example, as 20775364 + 99680256 = 4558^2 + 9984^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3011371 + ... + 3011410.

It is an arithmetic number, because the mean of its divisors is an integer number (21079737).

Almost surely, 2^120455620 is an apocalyptic number.

120455620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120455620 is an abundant number, since it is smaller than the sum of its proper divisors (132501224).

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

120455620 is a wasteful number, since it uses less digits than its factorization.

120455620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6022790 (or 6022788 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 120455620 is about 10975.2275602832. The cubic root of 120455620 is about 493.8658795475.

The spelling of 120455620 in words is "one hundred twenty million, four hundred fifty-five thousand, six hundred twenty".