122335678889 has 2 divisors, whose sum is σ = 122335678890. Its totient is φ = 122335678888.

The previous prime is 122335678877. The next prime is 122335678931. The reversal of 122335678889 is 988876533221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68793421225 + 53542257664 = 262285^2 + 231392^2 .

It is a cyclic number.

It is not a de Polignac number, because 122335678889 - 2²⁴ = 122318901673 is a prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (122335678859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61167839444 + 61167839445.

It is an arithmetic number, because the mean of its divisors is an integer number (61167839445).

Almost surely, 2^122335678889 is an apocalyptic number.

It is an amenable number.

122335678889 is a deficient number, since it is larger than the sum of its proper divisors (1).

122335678889 is an equidigital number, since it uses as much as digits as its factorization.

122335678889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 62.

The spelling of 122335678889 in words is "one hundred twenty-two billion, three hundred thirty-five million, six hundred seventy-eight thousand, eight hundred eighty-nine".