120421232 has 20 divisors (see below), whose sum is σ = 235724496. Its totient is φ = 59589120.

The previous prime is 120421211. The next prime is 120421241. The reversal of 120421232 is 232124021.

It is a self number, because there is not a number n which added to its sum of digits gives 120421232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37244 + ... + 40347.

Almost surely, 2^120421232 is an apocalyptic number.

It is an amenable number.

120421232 is a deficient number, since it is larger than the sum of its proper divisors (115303264).

120421232 is an equidigital number, since it uses as much as digits as its factorization.

120421232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77696 (or 77690 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 120421232 is about 10973.6608294589. The cubic root of 120421232 is about 493.8188783470.

Adding to 120421232 its reverse (232124021), we get a palindrome (352545253).

The spelling of 120421232 in words is "one hundred twenty million, four hundred twenty-one thousand, two hundred thirty-two".