120153920 has 28 divisors (see below), whose sum is σ = 286117284. Its totient is φ = 48061440.

The previous prime is 120153919. The next prime is 120153937. The reversal of 120153920 is 29351021.

It can be written as a sum of positive squares in 2 ways, for example, as 34480384 + 85673536 = 5872^2 + 9256^2 .

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, 187421 + ... + 188060.

Almost surely, 2^120153920 is an apocalyptic number.

120153920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120153920 is an abundant number, since it is smaller than the sum of its proper divisors (165963364).

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

120153920 is an equidigital number, since it uses as much as digits as its factorization.

120153920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375498 (or 375488 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 120153920 is about 10961.4743533888. The cubic root of 120153920 is about 493.4532132984.

The spelling of 120153920 in words is "one hundred twenty million, one hundred fifty-three thousand, nine hundred twenty".