122842693 has 2 divisors, whose sum is σ = 122842694. Its totient is φ = 122842692.

The previous prime is 122842679. The next prime is 122842717. The reversal of 122842693 is 396248221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70526404 + 52316289 = 8398^2 + 7233^2 .

It is a cyclic number.

It is not a de Polignac number, because 122842693 - 2¹³ = 122834501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122842613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61421346 + 61421347.

It is an arithmetic number, because the mean of its divisors is an integer number (61421347).

Almost surely, 2^122842693 is an apocalyptic number.

It is an amenable number.

122842693 is a deficient number, since it is larger than the sum of its proper divisors (1).

122842693 is an equidigital number, since it uses as much as digits as its factorization.

122842693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 37.

The square root of 122842693 is about 11083.4422901913. The cubic root of 122842693 is about 497.1068826989.

The spelling of 122842693 in words is "one hundred twenty-two million, eight hundred forty-two thousand, six hundred ninety-three".