120153900 has 72 divisors (see below), whose sum is σ = 351314320. Its totient is φ = 31703040.

The previous prime is 120153899. The next prime is 120153919. The reversal of 120153900 is 9351021.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27036 + ... + 31164.

Almost surely, 2^120153900 is an apocalyptic number.

120153900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120153900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175657160).

120153900 is an abundant number, since it is smaller than the sum of its proper divisors (231160420).

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

120153900 is a wasteful number, since it uses less digits than its factorization.

120153900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4243 (or 4236 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 120153900 is about 10961.4734411027. The cubic root of 120153900 is about 493.4531859195.

The spelling of 120153900 in words is "one hundred twenty million, one hundred fifty-three thousand, nine hundred".