120775420 has 24 divisors (see below), whose sum is σ = 254361744. Its totient is φ = 48170496.

The previous prime is 120775373. The next prime is 120775439. The reversal of 120775420 is 24577021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1494 + ... + 15613.

It is an arithmetic number, because the mean of its divisors is an integer number (10598406).

Almost surely, 2^120775420 is an apocalyptic number.

120775420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120775420 is an abundant number, since it is smaller than the sum of its proper divisors (133586324).

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

120775420 is a wasteful number, since it uses less digits than its factorization.

120775420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17469 (or 17467 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 120775420 is about 10989.7870771003. The cubic root of 120775420 is about 494.3025514186.

The spelling of 120775420 in words is "one hundred twenty million, seven hundred seventy-five thousand, four hundred twenty".