120104100 has 72 divisors (see below), whose sum is σ = 386121120. Its totient is φ = 32027040.

The previous prime is 120104081. The next prime is 120104123. The reversal of 120104100 is 1401021.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19542 + ... + 24941.

Almost surely, 2^120104100 is an apocalyptic number.

120104100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120104100 is an abundant number, since it is smaller than the sum of its proper divisors (266017020).

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

120104100 is a wasteful number, since it uses less digits than its factorization.

120104100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44506 (or 44493 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 120104100 is about 10959.2016132563. The cubic root of 120104100 is about 493.3850029073.

Adding to 120104100 its reverse (1401021), we get a palindrome (121505121).

It can be divided in two parts, 12010 and 4100, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 120104100 in words is "one hundred twenty million, one hundred four thousand, one hundred".