504121004 has 12 divisors (see below), whose sum is σ = 906055584. Its totient is φ = 245247984.

The previous prime is 504121003. The next prime is 504121031. The reversal of 504121004 is 400121405.

It is not an unprimeable number, because it can be changed into a prime (504121003) 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 3 ways as a sum of consecutive naturals, for example, 1702964 + ... + 1703259.

It is an arithmetic number, because the mean of its divisors is an integer number (75504632).

Almost surely, 2^504121004 is an apocalyptic number.

It is an amenable number.

504121004 is a deficient number, since it is larger than the sum of its proper divisors (401934580).

504121004 is a wasteful number, since it uses less digits than its factorization.

504121004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406264 (or 3406262 counting only the distinct ones).

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

The square root of 504121004 is about 22452.6391321822. The cubic root of 504121004 is about 795.8751245569.

Adding to 504121004 its reverse (400121405), we get a palindrome (904242409).

The spelling of 504121004 in words is "five hundred four million, one hundred twenty-one thousand, four".