122310857 has 2 divisors, whose sum is σ = 122310858. Its totient is φ = 122310856.

The previous prime is 122310833. The next prime is 122310871. The reversal of 122310857 is 758013221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67831696 + 54479161 = 8236^2 + 7381^2 .

It is a cyclic number.

It is not a de Polignac number, because 122310857 - 2¹⁰ = 122309833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122310887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61155428 + 61155429.

It is an arithmetic number, because the mean of its divisors is an integer number (61155429).

Almost surely, 2^122310857 is an apocalyptic number.

It is an amenable number.

122310857 is a deficient number, since it is larger than the sum of its proper divisors (1).

122310857 is an equidigital number, since it uses as much as digits as its factorization.

122310857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 122310857 is about 11059.4239000049. The cubic root of 122310857 is about 496.3884522543.

The spelling of 122310857 in words is "one hundred twenty-two million, three hundred ten thousand, eight hundred fifty-seven".