520124031 has 64 divisors (see below), whose sum is σ = 932377600. Its totient is φ = 279936000.

The previous prime is 520123973. The next prime is 520124041. The reversal of 520124031 is 130421025.

It is not a de Polignac number, because 520124031 - 2¹³ = 520115839 is a prime.

It is a super-2 number, since 2×520124031² = 541058015247377922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 520123995 and 520124013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520124041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 865131 + ... + 865731.

It is an arithmetic number, because the mean of its divisors is an integer number (14568400).

Almost surely, 2^520124031 is an apocalyptic number.

520124031 is a deficient number, since it is larger than the sum of its proper divisors (412253569).

520124031 is a wasteful number, since it uses less digits than its factorization.

520124031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 871 counting only the distinct ones).

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

The square root of 520124031 is about 22806.2278994138. The cubic root of 520124031 is about 804.2090818450.

Adding to 520124031 its reverse (130421025), we get a palindrome (650545056).

The spelling of 520124031 in words is "five hundred twenty million, one hundred twenty-four thousand, thirty-one".