122456447 has 8 divisors (see below), whose sum is σ = 126884880. Its totient is φ = 118106560.

The previous prime is 122456443. The next prime is 122456449. The reversal of 122456447 is 744654221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122456447 - 2² = 122456443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122456443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16454 + ... + 22707.

It is an arithmetic number, because the mean of its divisors is an integer number (15860610).

Almost surely, 2^122456447 is an apocalyptic number.

122456447 is a deficient number, since it is larger than the sum of its proper divisors (4428433).

122456447 is an equidigital number, since it uses as much as digits as its factorization.

122456447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39273.

The product of its digits is 53760, while the sum is 35.

The square root of 122456447 is about 11066.0041116927. The cubic root of 122456447 is about 496.5853291324.

The spelling of 122456447 in words is "one hundred twenty-two million, four hundred fifty-six thousand, four hundred forty-seven".