122545566 has 48 divisors (see below), whose sum is σ = 311940720. Its totient is φ = 34277760.

The previous prime is 122545559. The next prime is 122545601. The reversal of 122545566 is 665545221.

It is a self number, because there is not a number n which added to its sum of digits gives 122545566.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21231 + ... + 26378.

It is an arithmetic number, because the mean of its divisors is an integer number (6498765).

Almost surely, 2^122545566 is an apocalyptic number.

122545566 is an abundant number, since it is smaller than the sum of its proper divisors (189395154).

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

122545566 is a wasteful number, since it uses less digits than its factorization.

122545566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47641 (or 47638 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 122545566 is about 11070.0300812599. The cubic root of 122545566 is about 496.7057650306.

The spelling of 122545566 in words is "one hundred twenty-two million, five hundred forty-five thousand, five hundred sixty-six".