120391712 has 48 divisors (see below), whose sum is σ = 272180160. Its totient is φ = 51349248.

The previous prime is 120391643. The next prime is 120391721. The reversal of 120391712 is 217193021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50123 + ... + 52469.

It is an arithmetic number, because the mean of its divisors is an integer number (5670420).

Almost surely, 2^120391712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120391712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136090080).

120391712 is an abundant number, since it is smaller than the sum of its proper divisors (151788448).

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

120391712 is a wasteful number, since it uses less digits than its factorization.

120391712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593 (or 2585 counting only the distinct ones).

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

The square root of 120391712 is about 10972.3157081812. The cubic root of 120391712 is about 493.7785235458.

The spelling of 120391712 in words is "one hundred twenty million, three hundred ninety-one thousand, seven hundred twelve".