3120299879 has 2 divisors, whose sum is σ = 3120299880. Its totient is φ = 3120299878.

The previous prime is 3120299869. The next prime is 3120299881. The reversal of 3120299879 is 9789920213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3120299879 is a prime.

It is a Sophie Germain prime.

Together with 3120299881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3120299869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560149939 + 1560149940.

It is an arithmetic number, because the mean of its divisors is an integer number (1560149940).

Almost surely, 2^3120299879 is an apocalyptic number.

3120299879 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120299879 is an equidigital number, since it uses as much as digits as its factorization.

3120299879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 3120299879 is about 55859.6444582312. The cubic root of 3120299879 is about 1461.2755286766.

The spelling of 3120299879 in words is "three billion, one hundred twenty million, two hundred ninety-nine thousand, eight hundred seventy-nine".