120455420 has 12 divisors (see below), whose sum is σ = 252956424. Its totient is φ = 48182160.

The previous prime is 120455411. The next prime is 120455431. The reversal of 120455420 is 24554021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3011366 + ... + 3011405.

It is an arithmetic number, because the mean of its divisors is an integer number (21079702).

Almost surely, 2^120455420 is an apocalyptic number.

120455420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120455420 is an abundant number, since it is smaller than the sum of its proper divisors (132501004).

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

120455420 is a wasteful number, since it uses less digits than its factorization.

120455420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6022780 (or 6022778 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 120455420 is about 10975.2184488510. The cubic root of 120455420 is about 493.8656062152.

The spelling of 120455420 in words is "one hundred twenty million, four hundred fifty-five thousand, four hundred twenty".