1199666 has 8 divisors (see below), whose sum is σ = 1937964. Its totient is φ = 553680.

The previous prime is 1199663. The next prime is 1199677. The reversal of 1199666 is 6669911.

It can be written as a sum of positive squares in 2 ways, for example, as 970225 + 229441 = 985^2 + 479^2 .

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

It is a Curzon number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1199663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23045 + ... + 23096.

2^1199666 is an apocalyptic number.

1199666 is a deficient number, since it is larger than the sum of its proper divisors (738298).

1199666 is a wasteful number, since it uses less digits than its factorization.

1199666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46156.

The product of its digits is 17496, while the sum is 38.

The square root of 1199666 is about 1095.2926549557. The cubic root of 1199666 is about 106.2559968934.

The spelling of 1199666 in words is "one million, one hundred ninety-nine thousand, six hundred sixty-six".