120033900 has 360 divisors, whose sum is σ = 466324320. Its totient is φ = 26127360.

The previous prime is 120033899. The next prime is 120033913. The reversal of 120033900 is 9330021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1644264 + ... + 1644336.

Almost surely, 2^120033900 is an apocalyptic number.

120033900 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 120033900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233162160).

120033900 is an abundant number, since it is smaller than the sum of its proper divisors (346290420).

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

120033900 is a wasteful number, since it uses less digits than its factorization.

120033900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 120033900 is about 10955.9983570645. The cubic root of 120033900 is about 493.2888574871.

Adding to 120033900 its reverse (9330021), we get a palindrome (129363921).

The spelling of 120033900 in words is "one hundred twenty million, thirty-three thousand, nine hundred".