3122980861 has 32 divisors (see below), whose sum is σ = 4264243200. Its totient is φ = 2208185280.

The previous prime is 3122980853. The next prime is 3122980867. The reversal of 3122980861 is 1680892213.

It is not a de Polignac number, because 3122980861 - 2³ = 3122980853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122980867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32620 + ... + 85498.

It is an arithmetic number, because the mean of its divisors is an integer number (133257600).

Almost surely, 2^3122980861 is an apocalyptic number.

It is an amenable number.

3122980861 is a deficient number, since it is larger than the sum of its proper divisors (1141262339).

3122980861 is a wasteful number, since it uses less digits than its factorization.

3122980861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52969.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 3122980861 is about 55883.6367911037. The cubic root of 3122980861 is about 1461.6939213581.

The spelling of 3122980861 in words is "three billion, one hundred twenty-two million, nine hundred eighty thousand, eight hundred sixty-one".