120400300 has 18 divisors (see below), whose sum is σ = 261268868. Its totient is φ = 48160080.

The previous prime is 120400289. The next prime is 120400333. The reversal of 120400300 is 3004021.

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 601902 + ... + 602101.

Almost surely, 2^120400300 is an apocalyptic number.

120400300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120400300 is an abundant number, since it is smaller than the sum of its proper divisors (140868568).

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

120400300 is a wasteful number, since it uses less digits than its factorization.

120400300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204017 (or 1204010 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 120400300 is about 10972.7070497667. The cubic root of 120400300 is about 493.7902643018.

Adding to 120400300 its reverse (3004021), we get a palindrome (123404321).

The spelling of 120400300 in words is "one hundred twenty million, four hundred thousand, three hundred".