122342641 has 2 divisors, whose sum is σ = 122342642. Its totient is φ = 122342640.

The previous prime is 122342629. The next prime is 122342669. The reversal of 122342641 is 146243221.

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., 121881600 + 461041 = 11040^2 + 679^2 .

It is an emirp because it is prime and its reverse (146243221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122342641 - 2⁷ = 122342513 is a prime.

It is not a weakly prime, because it can be changed into another prime (122342621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61171320 + 61171321.

It is an arithmetic number, because the mean of its divisors is an integer number (61171321).

Almost surely, 2^122342641 is an apocalyptic number.

It is an amenable number.

122342641 is a deficient number, since it is larger than the sum of its proper divisors (1).

122342641 is an equidigital number, since it uses as much as digits as its factorization.

122342641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 122342641 is about 11060.8607712058. The cubic root of 122342641 is about 496.4314461049.

Adding to 122342641 its reverse (146243221), we get a palindrome (268585862).

The spelling of 122342641 in words is "one hundred twenty-two million, three hundred forty-two thousand, six hundred forty-one".