504004121 has 8 divisors (see below), whose sum is σ = 524181120. Its totient is φ = 484172208.

The previous prime is 504004099. The next prime is 504004147. The reversal of 504004121 is 121400405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504004121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 504004121.

It is not an unprimeable number, because it can be changed into a prime (504004421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83291 + ... + 89136.

It is an arithmetic number, because the mean of its divisors is an integer number (65522640).

Almost surely, 2^504004121 is an apocalyptic number.

It is an amenable number.

504004121 is a deficient number, since it is larger than the sum of its proper divisors (20176999).

504004121 is a wasteful number, since it uses less digits than its factorization.

504004121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172543.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 504004121 is about 22450.0361024209. The cubic root of 504004121 is about 795.8136105806.

Adding to 504004121 its reverse (121400405), we get a palindrome (625404526).

The spelling of 504004121 in words is "five hundred four million, four thousand, one hundred twenty-one".