520105112 has 16 divisors (see below), whose sum is σ = 993597840. Its totient is φ = 255145696.

The previous prime is 520105099. The next prime is 520105151. The reversal of 520105112 is 211501025.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612908 + ... + 613755.

It is an arithmetic number, because the mean of its divisors is an integer number (62099865).

Almost surely, 2^520105112 is an apocalyptic number.

It is an amenable number.

520105112 is a deficient number, since it is larger than the sum of its proper divisors (473492728).

520105112 is a wasteful number, since it uses less digits than its factorization.

520105112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226722 (or 1226718 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 520105112 is about 22805.8131185889. The cubic root of 520105112 is about 804.1993309553.

Adding to 520105112 its reverse (211501025), we get a palindrome (731606137).

The spelling of 520105112 in words is "five hundred twenty million, one hundred five thousand, one hundred twelve".