1200943 has 2 divisors, whose sum is σ = 1200944. Its totient is φ = 1200942.

The previous prime is 1200937. The next prime is 1200949. The reversal of 1200943 is 3490021.

It is a balanced prime because it is at equal distance from previous prime (1200937) and next prime (1200949).

It is an emirp because it is prime and its reverse (3490021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1200943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200949) by changing a digit.

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, 600471 + 600472.

It is an arithmetic number, because the mean of its divisors is an integer number (600472).

2^1200943 is an apocalyptic number.

1200943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200943 is an equidigital number, since it uses as much as digits as its factorization.

1200943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1200943 is about 1095.8754491273. The cubic root of 1200943 is about 106.2936853809.

Adding to 1200943 its reverse (3490021), we get a palindrome (4690964).

The spelling of 1200943 in words is "one million, two hundred thousand, nine hundred forty-three".