122806618 has 16 divisors (see below), whose sum is σ = 204749856. Its totient is φ = 54767440.

The previous prime is 122806609. The next prime is 122806643. The reversal of 122806618 is 816608221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51496 + ... + 53827.

It is an arithmetic number, because the mean of its divisors is an integer number (12796866).

Almost surely, 2^122806618 is an apocalyptic number.

122806618 is a deficient number, since it is larger than the sum of its proper divisors (81943238).

122806618 is a wasteful number, since it uses less digits than its factorization.

122806618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105389.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 122806618 is about 11081.8147430825. The cubic root of 122806618 is about 497.0582164301.

The spelling of 122806618 in words is "one hundred twenty-two million, eight hundred six thousand, six hundred eighteen".