122346857 has 2 divisors, whose sum is σ = 122346858. Its totient is φ = 122346856.

The previous prime is 122346823. The next prime is 122346859. The reversal of 122346857 is 758643221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98327056 + 24019801 = 9916^2 + 4901^2 .

It is a cyclic number.

It is not a de Polignac number, because 122346857 - 2²⁶ = 55237993 is a prime.

Together with 122346859, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122346857.

It is not a weakly prime, because it can be changed into another prime (122346859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61173428 + 61173429.

It is an arithmetic number, because the mean of its divisors is an integer number (61173429).

Almost surely, 2^122346857 is an apocalyptic number.

It is an amenable number.

122346857 is a deficient number, since it is larger than the sum of its proper divisors (1).

122346857 is an equidigital number, since it uses as much as digits as its factorization.

122346857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 38.

The square root of 122346857 is about 11061.0513514765. The cubic root of 122346857 is about 496.4371484801.

It can be divided in two parts, 12234 and 6857, that added together give a palindrome (19091).

The spelling of 122346857 in words is "one hundred twenty-two million, three hundred forty-six thousand, eight hundred fifty-seven".