122339851 has 2 divisors, whose sum is σ = 122339852. Its totient is φ = 122339850.

The previous prime is 122339849. The next prime is 122339881. The reversal of 122339851 is 158933221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122339851 - 2¹ = 122339849 is a prime.

Together with 122339849, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (122339881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61169925 + 61169926.

It is an arithmetic number, because the mean of its divisors is an integer number (61169926).

Almost surely, 2^122339851 is an apocalyptic number.

122339851 is a deficient number, since it is larger than the sum of its proper divisors (1).

122339851 is an equidigital number, since it uses as much as digits as its factorization.

122339851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 34.

The square root of 122339851 is about 11060.7346501035. The cubic root of 122339851 is about 496.4276724022.

The spelling of 122339851 in words is "one hundred twenty-two million, three hundred thirty-nine thousand, eight hundred fifty-one".