120431424 has 56 divisors (see below), whose sum is σ = 335422240. Its totient is φ = 38029824.

The previous prime is 120431413. The next prime is 120431429. The reversal of 120431424 is 424134021.

It is a self number, because there is not a number n which added to its sum of digits gives 120431424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120431429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12859 + ... + 20154.

Almost surely, 2^120431424 is an apocalyptic number.

It is an amenable number.

120431424 is an abundant number, since it is smaller than the sum of its proper divisors (214990816).

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

120431424 is a wasteful number, since it uses less digits than its factorization.

120431424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33047 (or 33037 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 120431424 is about 10974.1252043158. The cubic root of 120431424 is about 493.8328096113.

Adding to 120431424 its reverse (424134021), we get a palindrome (544565445).

The spelling of 120431424 in words is "one hundred twenty million, four hundred thirty-one thousand, four hundred twenty-four".