120305100 has 36 divisors (see below), whose sum is σ = 348083624. Its totient is φ = 32081280.

The previous prime is 120305083. The next prime is 120305113. The reversal of 120305100 is 1503021.

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, 200209 + ... + 200808.

Almost surely, 2^120305100 is an apocalyptic number.

120305100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120305100 is an abundant number, since it is smaller than the sum of its proper divisors (227778524).

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

120305100 is a wasteful number, since it uses less digits than its factorization.

120305100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401034 (or 401027 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 120305100 is about 10968.3681557468. The cubic root of 120305100 is about 493.6600840378.

Adding to 120305100 its reverse (1503021), we get a palindrome (121808121).

The spelling of 120305100 in words is "one hundred twenty million, three hundred five thousand, one hundred".