122446397 has 2 divisors, whose sum is σ = 122446398. Its totient is φ = 122446396.

The previous prime is 122446391. The next prime is 122446399. The reversal of 122446397 is 793644221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66406201 + 56040196 = 8149^2 + 7486^2 .

It is a cyclic number.

It is not a de Polignac number, because 122446397 - 2⁶ = 122446333 is a prime.

Together with 122446399, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122446397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122446391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61223198 + 61223199.

It is an arithmetic number, because the mean of its divisors is an integer number (61223199).

Almost surely, 2^122446397 is an apocalyptic number.

It is an amenable number.

122446397 is a deficient number, since it is larger than the sum of its proper divisors (1).

122446397 is an equidigital number, since it uses as much as digits as its factorization.

122446397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The square root of 122446397 is about 11065.5500089241. The cubic root of 122446397 is about 496.5717438422.

The spelling of 122446397 in words is "one hundred twenty-two million, four hundred forty-six thousand, three hundred ninety-seven".