122388222153839 has 2 divisors, whose sum is σ = 122388222153840. Its totient is φ = 122388222153838.

The previous prime is 122388222153811. The next prime is 122388222153931. The reversal of 122388222153839 is 938351222883221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122388222153839 - 2⁸ = 122388222153583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122388222153739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61194111076919 + 61194111076920.

It is an arithmetic number, because the mean of its divisors is an integer number (61194111076920).

Almost surely, 2^{122388222153839} is an apocalyptic number.

122388222153839 is a deficient number, since it is larger than the sum of its proper divisors (1).

122388222153839 is an equidigital number, since it uses as much as digits as its factorization.

122388222153839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19906560, while the sum is 59.

The spelling of 122388222153839 in words is "one hundred twenty-two trillion, three hundred eighty-eight billion, two hundred twenty-two million, one hundred fifty-three thousand, eight hundred thirty-nine".