120072136 has 32 divisors (see below), whose sum is σ = 230247360. Its totient is φ = 58681792.

The previous prime is 120072109. The next prime is 120072137. The reversal of 120072136 is 631270021.

It is not an unprimeable number, because it can be changed into a prime (120072137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212991 + ... + 213553.

It is an arithmetic number, because the mean of its divisors is an integer number (7195230).

Almost surely, 2^120072136 is an apocalyptic number.

It is an amenable number.

120072136 is a deficient number, since it is larger than the sum of its proper divisors (110175224).

120072136 is a wasteful number, since it uses less digits than its factorization.

120072136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125 (or 1121 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 120072136 is about 10957.7431983050. The cubic root of 120072136 is about 493.3412298874.

The spelling of 120072136 in words is "one hundred twenty million, seventy-two thousand, one hundred thirty-six".