120311232 has 28 divisors (see below), whose sum is σ = 318323976. Its totient is φ = 40103680.

The previous prime is 120311201. The next prime is 120311237. The reversal of 120311232 is 232113021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120311237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313119 + ... + 313502.

Almost surely, 2^120311232 is an apocalyptic number.

120311232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120311232 is an abundant number, since it is smaller than the sum of its proper divisors (198012744).

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

120311232 is an equidigital number, since it uses as much as digits as its factorization.

120311232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626636 (or 626626 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 120311232 is about 10968.6476832835. The cubic root of 120311232 is about 493.6684712472.

Adding to 120311232 its reverse (232113021), we get a palindrome (352424253).

The spelling of 120311232 in words is "one hundred twenty million, three hundred eleven thousand, two hundred thirty-two".