122258447 has 2 divisors, whose sum is σ = 122258448. Its totient is φ = 122258446.

The previous prime is 122258413. The next prime is 122258449. The reversal of 122258447 is 744852221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122258447 - 2¹⁴ = 122242063 is a prime.

Together with 122258449, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122258449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61129223 + 61129224.

It is an arithmetic number, because the mean of its divisors is an integer number (61129224).

Almost surely, 2^122258447 is an apocalyptic number.

122258447 is a deficient number, since it is larger than the sum of its proper divisors (1).

122258447 is an equidigital number, since it uses as much as digits as its factorization.

122258447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35840, while the sum is 35.

The square root of 122258447 is about 11057.0541736938. The cubic root of 122258447 is about 496.3175415813.

The spelling of 122258447 in words is "one hundred twenty-two million, two hundred fifty-eight thousand, four hundred forty-seven".