120030120 has 128 divisors (see below), whose sum is σ = 457286400. Its totient is φ = 27433728.

The previous prime is 120030091. The next prime is 120030133. The reversal of 120030120 is 21030021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

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 31 ways as a sum of consecutive naturals, for example, 379 + ... + 15498.

It is an arithmetic number, because the mean of its divisors is an integer number (3572550).

Almost surely, 2^120030120 is an apocalyptic number.

120030120 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 120030120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228643200).

120030120 is an abundant number, since it is smaller than the sum of its proper divisors (337256280).

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

120030120 is a wasteful number, since it uses less digits than its factorization.

120030120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15904 (or 15894 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 120030120 is about 10955.8258474658. The cubic root of 120030120 is about 493.2836793625.

Adding to 120030120 its reverse (21030021), we get a palindrome (141060141).

Subtracting from 120030120 its reverse (21030021), we obtain a palindrome (99000099).

The spelling of 120030120 in words is "one hundred twenty million, thirty thousand, one hundred twenty".