120921832 has 24 divisors (see below), whose sum is σ = 231129990. Its totient is φ = 59309120.

The previous prime is 120921821. The next prime is 120921881. The reversal of 120921832 is 238129021.

It can be written as a sum of positive squares in 3 ways, for example, as 113337316 + 7584516 = 10646^2 + 2754^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120921832.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19782 + ... + 25162.

Almost surely, 2^120921832 is an apocalyptic number.

It is an amenable number.

120921832 is a deficient number, since it is larger than the sum of its proper divisors (110208158).

120921832 is an equidigital number, since it uses as much as digits as its factorization.

120921832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5493 (or 5436 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 120921832 is about 10996.4463350666. The cubic root of 120921832 is about 494.5022129065.

It can be divided in two parts, 12092 and 1832, that added together give a square (13924 = 118²).

The spelling of 120921832 in words is "one hundred twenty million, nine hundred twenty-one thousand, eight hundred thirty-two".