3122978051 has 2 divisors, whose sum is σ = 3122978052. Its totient is φ = 3122978050.

The previous prime is 3122978039. The next prime is 3122978057. The reversal of 3122978051 is 1508792213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3122978051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3122977996 and 3122978014.

It is not a weakly prime, because it can be changed into another prime (3122978057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561489025 + 1561489026.

It is an arithmetic number, because the mean of its divisors is an integer number (1561489026).

Almost surely, 2^3122978051 is an apocalyptic number.

3122978051 is a deficient number, since it is larger than the sum of its proper divisors (1).

3122978051 is an equidigital number, since it uses as much as digits as its factorization.

3122978051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 3122978051 is about 55883.6116495704. The cubic root of 3122978051 is about 1461.6934829563.

The spelling of 3122978051 in words is "three billion, one hundred twenty-two million, nine hundred seventy-eight thousand, fifty-one".