120424530 has 64 divisors (see below), whose sum is σ = 302279040. Its totient is φ = 30664704.

The previous prime is 120424483. The next prime is 120424531. The reversal of 120424530 is 35424021.

It is a junction number, because it is equal to n+sod(n) for n = 120424497 and 120424506.

It is not an unprimeable number, because it can be changed into a prime (120424531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83677 + ... + 85103.

It is an arithmetic number, because the mean of its divisors is an integer number (4723110).

Almost surely, 2^120424530 is an apocalyptic number.

120424530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120424530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151139520).

120424530 is an abundant number, since it is smaller than the sum of its proper divisors (181854510).

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

120424530 is a wasteful number, since it uses less digits than its factorization.

120424530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 120424530 is about 10973.8110973353. The cubic root of 120424530 is about 493.8233864108.

Adding to 120424530 its reverse (35424021), we get a palindrome (155848551).

The spelling of 120424530 in words is "one hundred twenty million, four hundred twenty-four thousand, five hundred thirty".