3121403124 has 48 divisors (see below), whose sum is σ = 8340942848. Its totient is φ = 889986528.

The previous prime is 3121403111. The next prime is 3121403137. The reversal of 3121403124 is 4213041213.

3121403124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3121403111) and next prime (3121403137).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 3121403124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2757 + ... + 79059.

Almost surely, 2^3121403124 is an apocalyptic number.

It is an amenable number.

3121403124 is an abundant number, since it is smaller than the sum of its proper divisors (5219539724).

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

3121403124 is a wasteful number, since it uses less digits than its factorization.

3121403124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76804 (or 76802 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3121403124 is about 55869.5187378592. The cubic root of 3121403124 is about 1461.4477295353.

Adding to 3121403124 its reverse (4213041213), we get a palindrome (7334444337).

The spelling of 3121403124 in words is "three billion, one hundred twenty-one million, four hundred three thousand, one hundred twenty-four".