122443117 has 2 divisors, whose sum is σ = 122443118. Its totient is φ = 122443116.

The previous prime is 122443109. The next prime is 122443147. The reversal of 122443117 is 711344221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71334916 + 51108201 = 8446^2 + 7149^2 .

It is a cyclic number.

It is not a de Polignac number, because 122443117 - 2³ = 122443109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122443091 and 122443100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122443147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61221558 + 61221559.

It is an arithmetic number, because the mean of its divisors is an integer number (61221559).

Almost surely, 2^122443117 is an apocalyptic number.

It is an amenable number.

122443117 is a deficient number, since it is larger than the sum of its proper divisors (1).

122443117 is an equidigital number, since it uses as much as digits as its factorization.

122443117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 25.

The square root of 122443117 is about 11065.4018002059. The cubic root of 122443117 is about 496.5673098752.

Adding to 122443117 its reverse (711344221), we get a palindrome (833787338).

The spelling of 122443117 in words is "one hundred twenty-two million, four hundred forty-three thousand, one hundred seventeen".