122838943 has 2 divisors, whose sum is σ = 122838944. Its totient is φ = 122838942.

The previous prime is 122838941. The next prime is 122838973. The reversal of 122838943 is 349838221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122838943 - 2¹ = 122838941 is a prime.

Together with 122838941, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 122838896 and 122838905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122838941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61419471 + 61419472.

It is an arithmetic number, because the mean of its divisors is an integer number (61419472).

Almost surely, 2^122838943 is an apocalyptic number.

122838943 is a deficient number, since it is larger than the sum of its proper divisors (1).

122838943 is an equidigital number, since it uses as much as digits as its factorization.

122838943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 40.

The square root of 122838943 is about 11083.2731176309. The cubic root of 122838943 is about 497.1018242790.

The spelling of 122838943 in words is "one hundred twenty-two million, eight hundred thirty-eight thousand, nine hundred forty-three".