3121204 has 12 divisors (see below), whose sum is σ = 5638528. Its totient is φ = 1510200.

The previous prime is 3121201. The next prime is 3121219. The reversal of 3121204 is 4021213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121201) 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, 12462 + ... + 12709.

Almost surely, 2^3121204 is an apocalyptic number.

It is an amenable number.

3121204 is a deficient number, since it is larger than the sum of its proper divisors (2517324).

3121204 is a wasteful number, since it uses less digits than its factorization.

3121204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25206 (or 25204 counting only the distinct ones).

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

The square root of 3121204 is about 1766.6929557792. The cubic root of 3121204 is about 146.1416652111.

Adding to 3121204 its reverse (4021213), we get a palindrome (7142417).

Subtracting 3121204 from its reverse (4021213), we obtain a palindrome (900009).

The spelling of 3121204 in words is "three million, one hundred twenty-one thousand, two hundred four".