120505732 has 12 divisors (see below), whose sum is σ = 210966336. Its totient is φ = 60229640.

The previous prime is 120505727. The next prime is 120505739. The reversal of 120505732 is 237505021.

It is a junction number, because it is equal to n+sod(n) for n = 120505697 and 120505706.

It is not an unprimeable number, because it can be changed into a prime (120505739) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11793 + ... + 19495.

It is an arithmetic number, because the mean of its divisors is an integer number (17580528).

Almost surely, 2^120505732 is an apocalyptic number.

It is an amenable number.

120505732 is a deficient number, since it is larger than the sum of its proper divisors (90460604).

120505732 is a wasteful number, since it uses less digits than its factorization.

120505732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11618 (or 11616 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 120505732 is about 10977.5102823910. The cubic root of 120505732 is about 493.9343561526.

The spelling of 120505732 in words is "one hundred twenty million, five hundred five thousand, seven hundred thirty-two".