120125100 has 36 divisors (see below), whose sum is σ = 347562824. Its totient is φ = 32033280.

The previous prime is 120125099. The next prime is 120125119. The reversal of 120125100 is 1521021.

120125100 = 1256² + 1257² + ... + 1327².

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199909 + ... + 200508.

Almost surely, 2^120125100 is an apocalyptic number.

120125100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120125100 is an abundant number, since it is smaller than the sum of its proper divisors (227437724).

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

120125100 is a wasteful number, since it uses less digits than its factorization.

120125100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400434 (or 400427 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 120125100 is about 10960.1596703698. The cubic root of 120125100 is about 493.4137570776.

Adding to 120125100 its reverse (1521021), we get a palindrome (121646121).

The spelling of 120125100 in words is "one hundred twenty million, one hundred twenty-five thousand, one hundred".