120732724 has 48 divisors (see below), whose sum is σ = 250593280. Its totient is φ = 49805280.

The previous prime is 120732719. The next prime is 120732749. The reversal of 120732724 is 427237021.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 120732692 and 120732701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318367 + ... + 318745.

Almost surely, 2^120732724 is an apocalyptic number.

120732724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120732724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125296640).

120732724 is an abundant number, since it is smaller than the sum of its proper divisors (129860556).

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

120732724 is a wasteful number, since it uses less digits than its factorization.

120732724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 120732724 is about 10987.8443745805. The cubic root of 120732724 is about 494.2442966589.

Adding to 120732724 its reverse (427237021), we get a palindrome (547969745).

The spelling of 120732724 in words is "one hundred twenty million, seven hundred thirty-two thousand, seven hundred twenty-four".