122942693 has 2 divisors, whose sum is σ = 122942694. Its totient is φ = 122942692.

The previous prime is 122942653. The next prime is 122942713. The reversal of 122942693 is 396249221.

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., 96079204 + 26863489 = 9802^2 + 5183^2 .

It is a cyclic number.

It is not a de Polignac number, because 122942693 - 2¹⁰ = 122941669 is a prime.

It is a super-2 number, since 2×122942693² = 30229811524184498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122942653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61471346 + 61471347.

It is an arithmetic number, because the mean of its divisors is an integer number (61471347).

Almost surely, 2^122942693 is an apocalyptic number.

It is an amenable number.

122942693 is a deficient number, since it is larger than the sum of its proper divisors (1).

122942693 is an equidigital number, since it uses as much as digits as its factorization.

122942693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 38.

The square root of 122942693 is about 11087.9526063201. The cubic root of 122942693 is about 497.2417359386.

The spelling of 122942693 in words is "one hundred twenty-two million, nine hundred forty-two thousand, six hundred ninety-three".