3121042124 has 12 divisors (see below), whose sum is σ = 5518131864. Its totient is φ = 1544433024.

The previous prime is 3121042123. The next prime is 3121042193. The reversal of 3121042124 is 4212401213.

It is a junction number, because it is equal to n+sod(n) for n = 3121042096 and 3121042105.

It is not an unprimeable number, because it can be changed into a prime (3121042123) 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, 4021574 + ... + 4022349.

It is an arithmetic number, because the mean of its divisors is an integer number (459844322).

Almost surely, 2^3121042124 is an apocalyptic number.

It is an amenable number.

3121042124 is a deficient number, since it is larger than the sum of its proper divisors (2397089740).

3121042124 is a wasteful number, since it uses less digits than its factorization.

3121042124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8044024 (or 8044022 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 3121042124 is about 55866.2879024551. The cubic root of 3121042124 is about 1461.3913870349.

Adding to 3121042124 its reverse (4212401213), we get a palindrome (7333443337).

The spelling of 3121042124 in words is "three billion, one hundred twenty-one million, forty-two thousand, one hundred twenty-four".