122319128281387 has 2 divisors, whose sum is σ = 122319128281388. Its totient is φ = 122319128281386.

The previous prime is 122319128281373. The next prime is 122319128281391. The reversal of 122319128281387 is 783182821913221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122319128281387 - 2¹⁵ = 122319128248619 is a prime.

It is not a weakly prime, because it can be changed into another prime (122319128281327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61159564140693 + 61159564140694.

It is an arithmetic number, because the mean of its divisors is an integer number (61159564140694).

Almost surely, 2^{122319128281387} is an apocalyptic number.

122319128281387 is a deficient number, since it is larger than the sum of its proper divisors (1).

122319128281387 is an equidigital number, since it uses as much as digits as its factorization.

122319128281387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4644864, while the sum is 58.

The spelling of 122319128281387 in words is "one hundred twenty-two trillion, three hundred nineteen billion, one hundred twenty-eight million, two hundred eighty-one thousand, three hundred eighty-seven".