3124242121 has 16 divisors (see below), whose sum is σ = 4194787968. Its totient is φ = 2247206400.

The previous prime is 3124242113. The next prime is 3124242161. The reversal of 3124242121 is 1212424213.

It is a cyclic number.

It is not a de Polignac number, because 3124242121 - 2³ = 3124242113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3124242092 and 3124242101.

It is not an unprimeable number, because it can be changed into a prime (3124242161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1559560 + ... + 1561561.

It is an arithmetic number, because the mean of its divisors is an integer number (262174248).

Almost surely, 2^3124242121 is an apocalyptic number.

It is an amenable number.

3124242121 is a deficient number, since it is larger than the sum of its proper divisors (1070545847).

3124242121 is a wasteful number, since it uses less digits than its factorization.

3124242121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121152.

The product of its digits is 768, while the sum is 22.

The square root of 3124242121 is about 55894.9203506007. The cubic root of 3124242121 is about 1461.8906701299.

Adding to 3124242121 its reverse (1212424213), we get a palindrome (4336666334).

It can be divided in two parts, 312424212 and 1, that added together give a palindrome (312424213).

The spelling of 3124242121 in words is "three billion, one hundred twenty-four million, two hundred forty-two thousand, one hundred twenty-one".