500304121 has 4 divisors (see below), whose sum is σ = 513825892. Its totient is φ = 486782352.

The previous prime is 500304089. The next prime is 500304131. The reversal of 500304121 is 121403005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 403005625 + 97298496 = 20075^2 + 9864^2 .

It is a cyclic number.

It is not a de Polignac number, because 500304121 - 2⁵ = 500304089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 500304095 and 500304104.

It is not an unprimeable number, because it can be changed into a prime (500304131) 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, 6760830 + ... + 6760903.

It is an arithmetic number, because the mean of its divisors is an integer number (128456473).

Almost surely, 2^500304121 is an apocalyptic number.

It is an amenable number.

500304121 is a deficient number, since it is larger than the sum of its proper divisors (13521771).

500304121 is a wasteful number, since it uses less digits than its factorization.

500304121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13521770.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 500304121 is about 22367.4790935411. The cubic root of 500304121 is about 793.8614140340.

Adding to 500304121 its reverse (121403005), we get a palindrome (621707126).

The spelling of 500304121 in words is "five hundred million, three hundred four thousand, one hundred twenty-one".