122560566 has 8 divisors (see below), whose sum is σ = 245121144. Its totient is φ = 40853520.

The previous prime is 122560549. The next prime is 122560601. The reversal of 122560566 is 665065221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

122560566 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10213375 + ... + 10213386.

It is an arithmetic number, because the mean of its divisors is an integer number (30640143).

Almost surely, 2^122560566 is an apocalyptic number.

122560566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

122560566 is a wasteful number, since it uses less digits than its factorization.

122560566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20426766.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 122560566 is about 11070.7075654630. The cubic root of 122560566 is about 496.7260303701.

The spelling of 122560566 in words is "one hundred twenty-two million, five hundred sixty thousand, five hundred sixty-six".