120243424 has 24 divisors (see below), whose sum is σ = 270548208. Its totient is φ = 51532800.

The previous prime is 120243407. The next prime is 120243427. The reversal of 120243424 is 424342021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120243395 and 120243404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120243427) 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, 268177 + ... + 268624.

It is an arithmetic number, because the mean of its divisors is an integer number (11272842).

Almost surely, 2^120243424 is an apocalyptic number.

120243424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

120243424 is an abundant number, since it is smaller than the sum of its proper divisors (150304784).

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

120243424 is an equidigital number, since it uses as much as digits as its factorization.

120243424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536818 (or 536810 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 120243424 is about 10965.5562558404. The cubic root of 120243424 is about 493.5757091614.

Adding to 120243424 its reverse (424342021), we get a palindrome (544585445).

The spelling of 120243424 in words is "one hundred twenty million, two hundred forty-three thousand, four hundred twenty-four".