3121004 has 12 divisors (see below), whose sum is σ = 5551728. Its totient is φ = 1534800.

The previous prime is 3120991. The next prime is 3121007. The reversal of 3121004 is 4001213.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3121007) 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, 6152 + ... + 6639.

It is an arithmetic number, because the mean of its divisors is an integer number (462644).

Almost surely, 2^3121004 is an apocalyptic number.

It is an amenable number.

3121004 is a deficient number, since it is larger than the sum of its proper divisors (2430724).

3121004 is a wasteful number, since it uses less digits than its factorization.

3121004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12856 (or 12854 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 3121004 is about 1766.6363519412. The cubic root of 3121004 is about 146.1385436639.

Adding to 3121004 its reverse (4001213), we get a palindrome (7122217).

The spelling of 3121004 in words is "three million, one hundred twenty-one thousand, four".