1126766866 has 4 divisors (see below), whose sum is σ = 1690150302. Its totient is φ = 563383432.

The previous prime is 1126766857. The next prime is 1126766911. The reversal of 1126766866 is 6686676211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6686676211 = 389 ⋅17189399.

It can be written as a sum of positive squares in only one way, i.e., 962798841 + 163968025 = 31029^2 + 12805^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281691715 + ... + 281691718.

Almost surely, 2^1126766866 is an apocalyptic number.

1126766866 is a deficient number, since it is larger than the sum of its proper divisors (563383436).

1126766866 is an equidigital number, since it uses as much as digits as its factorization.

1126766866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563383435.

The product of its digits is 870912, while the sum is 49.

The square root of 1126766866 is about 33567.3482122136. The cubic root of 1126766866 is about 1040.5861051586.

The spelling of 1126766866 in words is "one billion, one hundred twenty-six million, seven hundred sixty-six thousand, eight hundred sixty-six".