120132100 has 36 divisors (see below), whose sum is σ = 284388048. Its totient is φ = 43684000.

The previous prime is 120132097. The next prime is 120132101. The reversal of 120132100 is 1231021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (120132101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53506 + ... + 55705.

It is an arithmetic number, because the mean of its divisors is an integer number (7899668).

Almost surely, 2^120132100 is an apocalyptic number.

120132100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120132100 is an abundant number, since it is smaller than the sum of its proper divisors (164255948).

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

120132100 is a wasteful number, since it uses less digits than its factorization.

120132100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109236 (or 109229 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 120132100 is about 10960.4790041312. The cubic root of 120132100 is about 493.4233410564.

Adding to 120132100 its reverse (1231021), we get a palindrome (121363121).

The spelling of 120132100 in words is "one hundred twenty million, one hundred thirty-two thousand, one hundred".