122668943 has 2 divisors, whose sum is σ = 122668944. Its totient is φ = 122668942.

The previous prime is 122668933. The next prime is 122668951. The reversal of 122668943 is 349866221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122668943 - 2¹⁴ = 122652559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122668943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122668933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61334471 + 61334472.

It is an arithmetic number, because the mean of its divisors is an integer number (61334472).

Almost surely, 2^122668943 is an apocalyptic number.

122668943 is a deficient number, since it is larger than the sum of its proper divisors (1).

122668943 is an equidigital number, since it uses as much as digits as its factorization.

122668943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The square root of 122668943 is about 11075.6012477879. The cubic root of 122668943 is about 496.8724010412.

The spelling of 122668943 in words is "one hundred twenty-two million, six hundred sixty-eight thousand, nine hundred forty-three".