122342993 has 2 divisors, whose sum is σ = 122342994. Its totient is φ = 122342992.

The previous prime is 122342981. The next prime is 122343007. The reversal of 122342993 is 399243221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100140049 + 22202944 = 10007^2 + 4712^2 .

It is a cyclic number.

It is not a de Polignac number, because 122342993 - 2⁴ = 122342977 is a prime.

It is not a weakly prime, because it can be changed into another prime (122342933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61171496 + 61171497.

It is an arithmetic number, because the mean of its divisors is an integer number (61171497).

Almost surely, 2^122342993 is an apocalyptic number.

It is an amenable number.

122342993 is a deficient number, since it is larger than the sum of its proper divisors (1).

122342993 is an equidigital number, since it uses as much as digits as its factorization.

122342993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 35.

The square root of 122342993 is about 11060.8766831567. The cubic root of 122342993 is about 496.4319222095.

The spelling of 122342993 in words is "one hundred twenty-two million, three hundred forty-two thousand, nine hundred ninety-three".