3120879 has 8 divisors (see below), whose sum is σ = 4262832. Its totient is φ = 2029760.

The previous prime is 3120857. The next prime is 3120881. The reversal of 3120879 is 9780213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3120879 - 2¹² = 3116783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12564 + ... + 12809.

It is an arithmetic number, because the mean of its divisors is an integer number (532854).

Almost surely, 2^3120879 is an apocalyptic number.

3120879 is a deficient number, since it is larger than the sum of its proper divisors (1141953).

3120879 is a wasteful number, since it uses less digits than its factorization.

3120879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25417.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 3120879 is about 1766.6009736214. The cubic root of 3120879 is about 146.1365926291.

It can be divided in two parts, 31 and 20879, that added together give a triangular number (20910 = T₂₀₄).

The spelling of 3120879 in words is "three million, one hundred twenty thousand, eight hundred seventy-nine".