122238679 has 2 divisors, whose sum is σ = 122238680. Its totient is φ = 122238678.

The previous prime is 122238667. The next prime is 122238689. The reversal of 122238679 is 976832221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122238679 - 2¹⁷ = 122107607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122238659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61119339 + 61119340.

It is an arithmetic number, because the mean of its divisors is an integer number (61119340).

Almost surely, 2^122238679 is an apocalyptic number.

122238679 is a deficient number, since it is larger than the sum of its proper divisors (1).

122238679 is an equidigital number, since it uses as much as digits as its factorization.

122238679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 122238679 is about 11056.1602285785. The cubic root of 122238679 is about 496.2907902354.

It can be divided in two parts, 12223 and 8679, that added together give a palindrome (20902).

The spelling of 122238679 in words is "one hundred twenty-two million, two hundred thirty-eight thousand, six hundred seventy-nine".