122838973 has 2 divisors, whose sum is σ = 122838974. Its totient is φ = 122838972.

The previous prime is 122838943. The next prime is 122838979. The reversal of 122838973 is 379838221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122832889 + 6084 = 11083^2 + 78^2 .

It is a cyclic number.

It is not a de Polignac number, because 122838973 - 2⁵ = 122838941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122838979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61419486 + 61419487.

It is an arithmetic number, because the mean of its divisors is an integer number (61419487).

Almost surely, 2^122838973 is an apocalyptic number.

It is an amenable number.

122838973 is a deficient number, since it is larger than the sum of its proper divisors (1).

122838973 is an equidigital number, since it uses as much as digits as its factorization.

122838973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 122838973 is about 11083.2744710216. The cubic root of 122838973 is about 497.1018647468.

The spelling of 122838973 in words is "one hundred twenty-two million, eight hundred thirty-eight thousand, nine hundred seventy-three".