122863567 has 2 divisors, whose sum is σ = 122863568. Its totient is φ = 122863566.

The previous prime is 122863537. The next prime is 122863579. The reversal of 122863567 is 765368221.

It is a strong prime.

It is an emirp because it is prime and its reverse (765368221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122863567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122863537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61431783 + 61431784.

It is an arithmetic number, because the mean of its divisors is an integer number (61431784).

Almost surely, 2^122863567 is an apocalyptic number.

122863567 is a deficient number, since it is larger than the sum of its proper divisors (1).

122863567 is an equidigital number, since it uses as much as digits as its factorization.

122863567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 122863567 is about 11084.3839251444. The cubic root of 122863567 is about 497.1350380064.

The spelling of 122863567 in words is "one hundred twenty-two million, eight hundred sixty-three thousand, five hundred sixty-seven".