120731764 has 12 divisors (see below), whose sum is σ = 213373188. Its totient is φ = 59768000.

The previous prime is 120731747. The next prime is 120731771. The reversal of 120731764 is 467137021.

It can be written as a sum of positive squares in 2 ways, for example, as 91355364 + 29376400 = 9558^2 + 5420^2 .

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 3 ways as a sum of consecutive naturals, for example, 149017 + ... + 149824.

It is an arithmetic number, because the mean of its divisors is an integer number (17781099).

Almost surely, 2^120731764 is an apocalyptic number.

It is an amenable number.

120731764 is a deficient number, since it is larger than the sum of its proper divisors (92641424).

120731764 is a wasteful number, since it uses less digits than its factorization.

120731764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298946 (or 298944 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 120731764 is about 10987.8006898560. The cubic root of 120731764 is about 494.2429866695.

Adding to 120731764 its reverse (467137021), we get a palindrome (587868785).

The spelling of 120731764 in words is "one hundred twenty million, seven hundred thirty-one thousand, seven hundred sixty-four".