504120501 has 12 divisors (see below), whose sum is σ = 728664300. Its totient is φ = 335854080.

The previous prime is 504120493. The next prime is 504120511. The reversal of 504120501 is 105021405.

It can be written as a sum of positive squares in 2 ways, for example, as 290668401 + 213452100 = 17049^2 + 14610^2 .

It is not a de Polignac number, because 504120501 - 2³ = 504120493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504120511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4140 + ... + 32021.

It is an arithmetic number, because the mean of its divisors is an integer number (60722025).

Almost surely, 2^504120501 is an apocalyptic number.

It is an amenable number.

504120501 is a deficient number, since it is larger than the sum of its proper divisors (224543799).

504120501 is a wasteful number, since it uses less digits than its factorization.

504120501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37716 (or 37713 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 504120501 is about 22452.6279308236. The cubic root of 504120501 is about 795.8748598550.

Adding to 504120501 its reverse (105021405), we get a palindrome (609141906).

The spelling of 504120501 in words is "five hundred four million, one hundred twenty thousand, five hundred one".