3126914021 has 16 divisors (see below), whose sum is σ = 3904633728. Its totient is φ = 2432716800.

The previous prime is 3126914017. The next prime is 3126914039. The reversal of 3126914021 is 1204196213.

It is a cyclic number.

It is not a de Polignac number, because 3126914021 - 2² = 3126914017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3126914071) 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, 17681 + ... + 81033.

It is an arithmetic number, because the mean of its divisors is an integer number (244039608).

Almost surely, 2^3126914021 is an apocalyptic number.

It is an amenable number.

3126914021 is a deficient number, since it is larger than the sum of its proper divisors (777719707).

3126914021 is a wasteful number, since it uses less digits than its factorization.

3126914021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64012.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 3126914021 is about 55918.8163411923. The cubic root of 3126914021 is about 1462.3072951930.

The spelling of 3126914021 in words is "three billion, one hundred twenty-six million, nine hundred fourteen thousand, twenty-one".