3120979 has 4 divisors (see below), whose sum is σ = 3304584. Its totient is φ = 2937376.

The previous prime is 3120977. The next prime is 3120989. The reversal of 3120979 is 9790213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9790213 = 53 ⋅184721.

It is a cyclic number.

It is not a de Polignac number, because 3120979 - 2¹ = 3120977 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3120979.

It is not an unprimeable number, because it can be changed into a prime (3120973) 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, 91777 + ... + 91810.

It is an arithmetic number, because the mean of its divisors is an integer number (826146).

Almost surely, 2^3120979 is an apocalyptic number.

3120979 is a deficient number, since it is larger than the sum of its proper divisors (183605).

3120979 is a wasteful number, since it uses less digits than its factorization.

3120979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183604.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 3120979 is about 1766.6292763339. The cubic root of 3120979 is about 146.1381534611.

The spelling of 3120979 in words is "three million, one hundred twenty thousand, nine hundred seventy-nine".