120016400 has 60 divisors (see below), whose sum is σ = 329538432. Its totient is φ = 41147520.

The previous prime is 120016373. The next prime is 120016439. The reversal of 120016400 is 4610021.

It is a Harshad number since it is a multiple of its sum of digits (14).

120016400 is a modest number, since divided by 16400 gives 1200 as remainder.

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, 18632 + ... + 24231.

Almost surely, 2^120016400 is an apocalyptic number.

120016400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120016400 is an abundant number, since it is smaller than the sum of its proper divisors (209522032).

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

120016400 is a wasteful number, since it uses less digits than its factorization.

120016400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42888 (or 42877 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 120016400 is about 10955.1996786914. The cubic root of 120016400 is about 493.2648837748.

Adding to 120016400 its reverse (4610021), we get a palindrome (124626421).

The spelling of 120016400 in words is "one hundred twenty million, sixteen thousand, four hundred".