120728092 has 6 divisors (see below), whose sum is σ = 211274168. Its totient is φ = 60364044.

The previous prime is 120728087. The next prime is 120728093. The reversal of 120728092 is 290827021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120728093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15091008 + ... + 15091015.

Almost surely, 2^120728092 is an apocalyptic number.

It is an amenable number.

120728092 is a deficient number, since it is larger than the sum of its proper divisors (90546076).

120728092 is a wasteful number, since it uses less digits than its factorization.

120728092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30182027 (or 30182025 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 120728092 is about 10987.6335941821. The cubic root of 120728092 is about 494.2379758958.

It can be divided in two parts, 12072 and 8092, that added together give a square (20164 = 142²).

The spelling of 120728092 in words is "one hundred twenty million, seven hundred twenty-eight thousand, ninety-two".