3121144 has 16 divisors (see below), whose sum is σ = 6302520. Its totient is φ = 1440480.

The previous prime is 3121121. The next prime is 3121163. The reversal of 3121144 is 4411213.

3121144 is a modest number, since divided by 1144 gives 312 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14902 + ... + 15109.

Almost surely, 2^3121144 is an apocalyptic number.

It is an amenable number.

3121144 is an abundant number, since it is smaller than the sum of its proper divisors (3181376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121144 is a wasteful number, since it uses less digits than its factorization.

3121144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30030 (or 30026 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 3121144 is about 1766.6759748182. The cubic root of 3121144 is about 146.1407287609.

Adding to 3121144 its reverse (4411213), we get a palindrome (7532357).

The spelling of 3121144 in words is "three million, one hundred twenty-one thousand, one hundred forty-four".