2004304121 has 4 divisors (see below), whose sum is σ = 2008768500. Its totient is φ = 1999839744.

The previous prime is 2004304117. The next prime is 2004304123. The reversal of 2004304121 is 1214034002.

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 666207721 + 1338096400 = 25811^2 + 36580^2 .

It is a cyclic number.

It is not a de Polignac number, because 2004304121 - 2² = 2004304117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2004304121.

It is not an unprimeable number, because it can be changed into a prime (2004304123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2231516 + ... + 2232413.

It is an arithmetic number, because the mean of its divisors is an integer number (502192125).

Almost surely, 2^2004304121 is an apocalyptic number.

It is an amenable number.

2004304121 is a deficient number, since it is larger than the sum of its proper divisors (4464379).

2004304121 is an equidigital number, since it uses as much as digits as its factorization.

2004304121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4464378.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2004304121 is about 44769.4552233998. The cubic root of 2004304121 is about 1260.8242110934.

Adding to 2004304121 its reverse (1214034002), we get a palindrome (3218338123).

The spelling of 2004304121 in words is "two billion, four million, three hundred four thousand, one hundred twenty-one".