120404136 has 16 divisors (see below), whose sum is σ = 301010400. Its totient is φ = 40134704.

The previous prime is 120404129. The next prime is 120404147. The reversal of 120404136 is 631404021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2508396 + ... + 2508443.

It is an arithmetic number, because the mean of its divisors is an integer number (18813150).

Almost surely, 2^120404136 is an apocalyptic number.

It is an amenable number.

120404136 is an abundant number, since it is smaller than the sum of its proper divisors (180606264).

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

120404136 is a wasteful number, since it uses less digits than its factorization.

120404136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5016848 (or 5016844 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 120404136 is about 10972.8818457140. The cubic root of 120404136 is about 493.7955083622.

Adding to 120404136 its reverse (631404021), we get a palindrome (751808157).

The spelling of 120404136 in words is "one hundred twenty million, four hundred four thousand, one hundred thirty-six".