522145124 has 12 divisors (see below), whose sum is σ = 914735724. Its totient is φ = 260792064.

The previous prime is 522145079. The next prime is 522145153. The reversal of 522145124 is 421541225.

It can be written as a sum of positive squares in 2 ways, for example, as 225961024 + 296184100 = 15032^2 + 17210^2 .

It is a junction number, because it is equal to n+sod(n) for n = 522145093 and 522145102.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 65909 + ... + 73404.

It is an arithmetic number, because the mean of its divisors is an integer number (76227977).

Almost surely, 2^522145124 is an apocalyptic number.

It is an amenable number.

522145124 is a deficient number, since it is larger than the sum of its proper divisors (392590600).

522145124 is a wasteful number, since it uses less digits than its factorization.

522145124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140254 (or 140252 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 522145124 is about 22850.4950493419. The cubic root of 522145124 is about 805.2493981831.

Adding to 522145124 its reverse (421541225), we get a palindrome (943686349).

The spelling of 522145124 in words is "five hundred twenty-two million, one hundred forty-five thousand, one hundred twenty-four".