122440342441 has 2 divisors, whose sum is σ = 122440342442. Its totient is φ = 122440342440.

The previous prime is 122440342421. The next prime is 122440342481. The reversal of 122440342441 is 144243044221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87559177216 + 34881165225 = 295904^2 + 186765^2 .

It is a cyclic number.

It is not a de Polignac number, because 122440342441 - 2²⁷ = 122306124713 is a prime.

It is not a weakly prime, because it can be changed into another prime (122440342421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61220171220 + 61220171221.

It is an arithmetic number, because the mean of its divisors is an integer number (61220171221).

Almost surely, 2^122440342441 is an apocalyptic number.

It is an amenable number.

122440342441 is a deficient number, since it is larger than the sum of its proper divisors (1).

122440342441 is an equidigital number, since it uses as much as digits as its factorization.

122440342441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 122440342441 its reverse (144243044221), we get a palindrome (266683386662).

The spelling of 122440342441 in words is "one hundred twenty-two billion, four hundred forty million, three hundred forty-two thousand, four hundred forty-one".