1122866 has 8 divisors (see below), whose sum is σ = 1688880. Its totient is φ = 559908.

The previous prime is 1122857. The next prime is 1122887. The reversal of 1122866 is 6682211.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785 + ... + 1691.

It is an arithmetic number, because the mean of its divisors is an integer number (211110).

2^1122866 is an apocalyptic number.

1122866 is a deficient number, since it is larger than the sum of its proper divisors (566014).

1122866 is an equidigital number, since it uses as much as digits as its factorization.

1122866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528.

The product of its digits is 1152, while the sum is 26.

The square root of 1122866 is about 1059.6537170227. The cubic root of 1122866 is about 103.9383880631.

The spelling of 1122866 in words is "one million, one hundred twenty-two thousand, eight hundred sixty-six".