122123442247 has 2 divisors, whose sum is σ = 122123442248. Its totient is φ = 122123442246.

The previous prime is 122123442211. The next prime is 122123442319. The reversal of 122123442247 is 742244321221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122123442247 - 2²³ = 122115053639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122123445247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61061721123 + 61061721124.

It is an arithmetic number, because the mean of its divisors is an integer number (61061721124).

Almost surely, 2^122123442247 is an apocalyptic number.

122123442247 is a deficient number, since it is larger than the sum of its proper divisors (1).

122123442247 is an equidigital number, since it uses as much as digits as its factorization.

122123442247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 34.

Adding to 122123442247 its reverse (742244321221), we get a palindrome (864367763468).

The spelling of 122123442247 in words is "one hundred twenty-two billion, one hundred twenty-three million, four hundred forty-two thousand, two hundred forty-seven".