505124 has 12 divisors (see below), whose sum is σ = 908124. Its totient is φ = 245664.

The previous prime is 505123. The next prime is 505129. The reversal of 505124 is 421505.

It can be written as a sum of positive squares in 2 ways, for example, as 465124 + 40000 = 682^2 + 200^2 .

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (505123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1559 + ... + 1854.

It is an arithmetic number, because the mean of its divisors is an integer number (75677).

2⁵⁰⁵¹²⁴ is an apocalyptic number.

It is an amenable number.

505124 is a deficient number, since it is larger than the sum of its proper divisors (403000).

505124 is a wasteful number, since it uses less digits than its factorization.

505124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454 (or 3452 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 505124 is about 710.7207609181. The cubic root of 505124 is about 79.6402597618.

Adding to 505124 its reverse (421505), we get a palindrome (926629).

The spelling of 505124 in words is "five hundred five thousand, one hundred twenty-four".