122644323027 has 6 divisors (see below), whose sum is σ = 177152911052. Its totient is φ = 81762882012.

The previous prime is 122644323013. The next prime is 122644323047. The reversal of 122644323027 is 720323446221.

122644323027 is a `hidden beast` number, since 1 + 2 + 2 + 644 + 3 + 2 + 3 + 0 + 2 + 7 = 666.

It is not a de Polignac number, because 122644323027 - 2⁸ = 122644322771 is a prime.

It is a super-2 number, since 2×122644323027² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122644322982 and 122644323000.

It is not an unprimeable number, because it can be changed into a prime (122644323047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6813573493 + ... + 6813573510.

Almost surely, 2^122644323027 is an apocalyptic number.

122644323027 is a deficient number, since it is larger than the sum of its proper divisors (54508588025).

122644323027 is a wasteful number, since it uses less digits than its factorization.

122644323027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13627147009 (or 13627147006 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

Adding to 122644323027 its reverse (720323446221), we get a palindrome (842967769248).

The spelling of 122644323027 in words is "one hundred twenty-two billion, six hundred forty-four million, three hundred twenty-three thousand, twenty-seven".