122838961871 has 2 divisors, whose sum is σ = 122838961872. Its totient is φ = 122838961870.

The previous prime is 122838961841. The next prime is 122838961873. The reversal of 122838961871 is 178169838221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122838961871 - 2¹⁴ = 122838945487 is a prime.

Together with 122838961873, 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 (122838961873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61419480935 + 61419480936.

It is an arithmetic number, because the mean of its divisors is an integer number (61419480936).

Almost surely, 2^122838961871 is an apocalyptic number.

122838961871 is a deficient number, since it is larger than the sum of its proper divisors (1).

122838961871 is an equidigital number, since it uses as much as digits as its factorization.

122838961871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 56.

The spelling of 122838961871 in words is "one hundred twenty-two billion, eight hundred thirty-eight million, nine hundred sixty-one thousand, eight hundred seventy-one".