120723736 has 16 divisors (see below), whose sum is σ = 258693840. Its totient is φ = 51738720.

The previous prime is 120723731. The next prime is 120723751. The reversal of 120723736 is 637327021.

It is a junction number, because it is equal to n+sod(n) for n = 120723698 and 120723707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120723731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1077835 + ... + 1077946.

It is an arithmetic number, because the mean of its divisors is an integer number (16168365).

Almost surely, 2^120723736 is an apocalyptic number.

It is an amenable number.

120723736 is an abundant number, since it is smaller than the sum of its proper divisors (137970104).

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

120723736 is a wasteful number, since it uses less digits than its factorization.

120723736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155794 (or 2155790 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 120723736 is about 10987.4353695483. The cubic root of 120723736 is about 494.2320316109.

The spelling of 120723736 in words is "one hundred twenty million, seven hundred twenty-three thousand, seven hundred thirty-six".