120139712 has 56 divisors (see below), whose sum is σ = 297240960. Its totient is φ = 46805760.

The previous prime is 120139687. The next prime is 120139751. The reversal of 120139712 is 217931021.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 7262 + ... + 17117.

Almost surely, 2^120139712 is an apocalyptic number.

It is an amenable number.

120139712 is an abundant number, since it is smaller than the sum of its proper divisors (177101248).

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

120139712 is a wasteful number, since it uses less digits than its factorization.

120139712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24409 (or 24399 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 120139712 is about 10960.8262462280. The cubic root of 120139712 is about 493.4337625261.

The spelling of 120139712 in words is "one hundred twenty million, one hundred thirty-nine thousand, seven hundred twelve".