505112130 has 24 divisors (see below), whose sum is σ = 1313291772. Its totient is φ = 134696544.

The previous prime is 505112117. The next prime is 505112159. The reversal of 505112130 is 31211505.

It can be written as a sum of positive squares in 2 ways, for example, as 456377769 + 48734361 = 21363^2 + 6981^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2806089 + ... + 2806268.

Almost surely, 2^505112130 is an apocalyptic number.

505112130 is an abundant number, since it is smaller than the sum of its proper divisors (808179642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505112130 is a wasteful number, since it uses less digits than its factorization.

505112130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5612370 (or 5612367 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 505112130 is about 22474.6997755254. The cubic root of 505112130 is about 796.3963592993.

Adding to 505112130 its reverse (31211505), we get a palindrome (536323635).

The spelling of 505112130 in words is "five hundred five million, one hundred twelve thousand, one hundred thirty".