120432520 has 96 divisors (see below), whose sum is σ = 302785560. Its totient is φ = 42854400.

The previous prime is 120432517. The next prime is 120432541. The reversal of 120432520 is 25234021.

It can be written as a sum of positive squares in 4 ways, for example, as 89984196 + 30448324 = 9486^2 + 5518^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499600 + ... + 499840.

Almost surely, 2^120432520 is an apocalyptic number.

120432520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120432520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151392780).

120432520 is an abundant number, since it is smaller than the sum of its proper divisors (182353040).

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

120432520 is a wasteful number, since it uses less digits than its factorization.

120432520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 120432520 is about 10974.1751398454. The cubic root of 120432520 is about 493.8343076674.

Adding to 120432520 its reverse (25234021), we get a palindrome (145666541).

The spelling of 120432520 in words is "one hundred twenty million, four hundred thirty-two thousand, five hundred twenty".