121066568 has 16 divisors (see below), whose sum is σ = 259428480. Its totient is φ = 51885648.

The previous prime is 121066529. The next prime is 121066577. The reversal of 121066568 is 865660121.

It is a happy number.

It is a super-2 number, since 2×121066568² = 29314227774597248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 1080896 + ... + 1081007.

It is an arithmetic number, because the mean of its divisors is an integer number (16214280).

Almost surely, 2^121066568 is an apocalyptic number.

It is an amenable number.

121066568 is an abundant number, since it is smaller than the sum of its proper divisors (138361912).

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

121066568 is a wasteful number, since it uses less digits than its factorization.

121066568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161916 (or 2161912 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 121066568 is about 11003.0254021337. The cubic root of 121066568 is about 494.6994304925.

The spelling of 121066568 in words is "one hundred twenty-one million, sixty-six thousand, five hundred sixty-eight".