120231320 has 32 divisors (see below), whose sum is σ = 295114320. Its totient is φ = 43720320.

The previous prime is 120231317. The next prime is 120231341. The reversal of 120231320 is 23132021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120231295 and 120231304.

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 7 ways as a sum of consecutive naturals, for example, 136187 + ... + 137066.

Almost surely, 2^120231320 is an apocalyptic number.

120231320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120231320 is an abundant number, since it is smaller than the sum of its proper divisors (174883000).

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

120231320 is a wasteful number, since it uses less digits than its factorization.

120231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273275 (or 273271 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 120231320 is about 10965.0043319645. The cubic root of 120231320 is about 493.5591470890.

Adding to 120231320 its reverse (23132021), we get a palindrome (143363341).

The spelling of 120231320 in words is "one hundred twenty million, two hundred thirty-one thousand, three hundred twenty".