122806866 has 32 divisors (see below), whose sum is σ = 302295168. Its totient is φ = 32388480.

The previous prime is 122806837. The next prime is 122806891. The reversal of 122806866 is 668608221.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111915 + ... + 113006.

It is an arithmetic number, because the mean of its divisors is an integer number (9446724).

Almost surely, 2^122806866 is an apocalyptic number.

122806866 is an abundant number, since it is smaller than the sum of its proper divisors (179488302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122806866 is a wasteful number, since it uses less digits than its factorization.

122806866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224946.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 122806866 is about 11081.8259325799. The cubic root of 122806866 is about 497.0585510222.

The spelling of 122806866 in words is "one hundred twenty-two million, eight hundred six thousand, eight hundred sixty-six".