120524013 has 12 divisors (see below), whose sum is σ = 174234268. Its totient is φ = 80282880.

The previous prime is 120523967. The next prime is 120524021. The reversal of 120524013 is 310425021.

It can be written as a sum of positive squares in 2 ways, for example, as 32970564 + 87553449 = 5742^2 + 9357^2 .

It is not a de Polignac number, because 120524013 - 2¹³ = 120515821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120524023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7581 + ... + 17277.

Almost surely, 2^120524013 is an apocalyptic number.

It is an amenable number.

120524013 is a deficient number, since it is larger than the sum of its proper divisors (53710255).

120524013 is a wasteful number, since it uses less digits than its factorization.

120524013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11084 (or 11081 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 120524013 is about 10978.3429077434. The cubic root of 120524013 is about 493.9593318868.

Adding to 120524013 its reverse (310425021), we get a palindrome (430949034).

The spelling of 120524013 in words is "one hundred twenty million, five hundred twenty-four thousand, thirteen".