520113122 has 16 divisors (see below), whose sum is σ = 833025600. Its totient is φ = 242963952.

The previous prime is 520113091. The next prime is 520113137. The reversal of 520113122 is 221311025.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 520113122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129497 + ... + 133452.

It is an arithmetic number, because the mean of its divisors is an integer number (52064100).

Almost surely, 2^520113122 is an apocalyptic number.

520113122 is a deficient number, since it is larger than the sum of its proper divisors (312912478).

520113122 is a wasteful number, since it uses less digits than its factorization.

520113122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263017.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 520113122 is about 22805.9887310329. The cubic root of 520113122 is about 804.2034593539.

Adding to 520113122 its reverse (221311025), we get a palindrome (741424147).

The spelling of 520113122 in words is "five hundred twenty million, one hundred thirteen thousand, one hundred twenty-two".