122938397 has 2 divisors, whose sum is σ = 122938398. Its totient is φ = 122938396.

The previous prime is 122938357. The next prime is 122938423. The reversal of 122938397 is 793839221.

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., 113763556 + 9174841 = 10666^2 + 3029^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122938397 is a prime.

It is a super-2 number, since 2×122938397² = 30227698913859218, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122938357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61469198 + 61469199.

It is an arithmetic number, because the mean of its divisors is an integer number (61469199).

Almost surely, 2^122938397 is an apocalyptic number.

It is an amenable number.

122938397 is a deficient number, since it is larger than the sum of its proper divisors (1).

122938397 is an equidigital number, since it uses as much as digits as its factorization.

122938397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 44.

The square root of 122938397 is about 11087.7588808560. The cubic root of 122938397 is about 497.2359441470.

The spelling of 122938397 in words is "one hundred twenty-two million, nine hundred thirty-eight thousand, three hundred ninety-seven".