122426881 has 2 divisors, whose sum is σ = 122426882. Its totient is φ = 122426880.

The previous prime is 122426867. The next prime is 122426897. The reversal of 122426881 is 188624221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68624656 + 53802225 = 8284^2 + 7335^2 .

It is an emirp because it is prime and its reverse (188624221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122426881 - 2⁵ = 122426849 is a prime.

It is a super-2 number, since 2×122426881² = 29976682382776322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122426831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61213440 + 61213441.

It is an arithmetic number, because the mean of its divisors is an integer number (61213441).

Almost surely, 2^122426881 is an apocalyptic number.

It is an amenable number.

122426881 is a deficient number, since it is larger than the sum of its proper divisors (1).

122426881 is an equidigital number, since it uses as much as digits as its factorization.

122426881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12288, while the sum is 34.

The square root of 122426881 is about 11064.6681378160. The cubic root of 122426881 is about 496.5453605722.

The spelling of 122426881 in words is "one hundred twenty-two million, four hundred twenty-six thousand, eight hundred eighty-one".