3204121 has 4 divisors (see below), whose sum is σ = 3208500. Its totient is φ = 3199744.

The previous prime is 3204101. The next prime is 3204127. The reversal of 3204121 is 1214023.

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 35721 + 3168400 = 189^2 + 1780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3204121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3204127) 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, 796 + ... + 2653.

It is an arithmetic number, because the mean of its divisors is an integer number (802125).

Almost surely, 2^3204121 is an apocalyptic number.

It is an amenable number.

3204121 is a deficient number, since it is larger than the sum of its proper divisors (4379).

3204121 is an equidigital number, since it uses as much as digits as its factorization.

3204121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3204121 is about 1790.0058659122. The cubic root of 3204121 is about 147.4244907011.

Adding to 3204121 its reverse (1214023), we get a palindrome (4418144).

The spelling of 3204121 in words is "three million, two hundred four thousand, one hundred twenty-one".