120728574 has 12 divisors (see below), whose sum is σ = 261578616. Its totient is φ = 40242852.

The previous prime is 120728549. The next prime is 120728579. The reversal of 120728574 is 475827021.

120728574 is a `hidden beast` number, since 12 + 0 + 72 + 8 + 574 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120728579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3353554 + ... + 3353589.

It is an arithmetic number, because the mean of its divisors is an integer number (21798218).

Almost surely, 2^120728574 is an apocalyptic number.

120728574 is an abundant number, since it is smaller than the sum of its proper divisors (140850042).

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

120728574 is a wasteful number, since it uses less digits than its factorization.

120728574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6707151 (or 6707148 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 120728574 is about 10987.6555279095. The cubic root of 120728574 is about 494.2386336339.

The spelling of 120728574 in words is "one hundred twenty million, seven hundred twenty-eight thousand, five hundred seventy-four".