120752728 has 8 divisors (see below), whose sum is σ = 226411380. Its totient is φ = 60376360.

The previous prime is 120752701. The next prime is 120752741. The reversal of 120752728 is 827257021.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 120752693 and 120752702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7547038 + ... + 7547053.

Almost surely, 2^120752728 is an apocalyptic number.

It is an amenable number.

120752728 is a deficient number, since it is larger than the sum of its proper divisors (105658652).

120752728 is a wasteful number, since it uses less digits than its factorization.

120752728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15094097 (or 15094093 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 120752728 is about 10988.7546155149. The cubic root of 120752728 is about 494.2715919842.

It can be divided in two parts, 1207 and 52728, that added together give a palindrome (53935).

The spelling of 120752728 in words is "one hundred twenty million, seven hundred fifty-two thousand, seven hundred twenty-eight".