122188663 has 2 divisors, whose sum is σ = 122188664. Its totient is φ = 122188662.

The previous prime is 122188597. The next prime is 122188667. The reversal of 122188663 is 366881221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122188663 - 2⁹ = 122188151 is a prime.

It is equal to p_6959152 and since 122188663 and 6959152 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122188667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61094331 + 61094332.

It is an arithmetic number, because the mean of its divisors is an integer number (61094332).

Almost surely, 2^122188663 is an apocalyptic number.

122188663 is a deficient number, since it is larger than the sum of its proper divisors (1).

122188663 is an equidigital number, since it uses as much as digits as its factorization.

122188663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 37.

The square root of 122188663 is about 11053.8980907189. The cubic root of 122188663 is about 496.2230924422.

The spelling of 122188663 in words is "one hundred twenty-two million, one hundred eighty-eight thousand, six hundred sixty-three".