123066866 has 8 divisors (see below), whose sum is σ = 198800364. Its totient is φ = 56800080.

The previous prime is 123066863. The next prime is 123066883. The reversal of 123066866 is 668660321.

It can be written as a sum of positive squares in 2 ways, for example, as 121638841 + 1428025 = 11029^2 + 1195^2 .

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

It is not an unprimeable number, because it can be changed into a prime (123066863) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2366645 + ... + 2366696.

Almost surely, 2^123066866 is an apocalyptic number.

123066866 is a deficient number, since it is larger than the sum of its proper divisors (75733498).

123066866 is a wasteful number, since it uses less digits than its factorization.

123066866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733356.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 123066866 is about 11093.5506489131. The cubic root of 123066866 is about 497.4090855141.

The spelling of 123066866 in words is "one hundred twenty-three million, sixty-six thousand, eight hundred sixty-six".