1199243 has 6 divisors (see below), whose sum is σ = 1254204. Its totient is φ = 1146596.

The previous prime is 1199203. The next prime is 1199257. The reversal of 1199243 is 3429911.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1199243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1199203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 605 + ... + 1662.

It is an arithmetic number, because the mean of its divisors is an integer number (209034).

2^1199243 is an apocalyptic number.

1199243 is a deficient number, since it is larger than the sum of its proper divisors (54961).

1199243 is an equidigital number, since it uses as much as digits as its factorization.

1199243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313 (or 2290 counting only the distinct ones).

The product of its digits is 1944, while the sum is 29.

The square root of 1199243 is about 1095.0995388548. The cubic root of 1199243 is about 106.2435068696.

The spelling of 1199243 in words is "one million, one hundred ninety-nine thousand, two hundred forty-three".