1144243 has 2 divisors, whose sum is σ = 1144244.
Its totient is φ = 1144242.
The previous prime is 1144223. The next prime is 1144249. The reversal of 1144243 is 3424411.
It is a strong prime.
It is an emirp because it is prime and its reverse (3424411) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1144243 - 25 = 1144211 is a prime.
1144243 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 1144243.
It is not a weakly prime, because it can be changed into another prime (1144249) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572121 + 572122.
It is an arithmetic number, because the mean of its divisors is an integer number (572122).
21144243 is an apocalyptic number.
1144243 is a deficient number, since it is larger than the sum of its proper divisors (1).
1144243 is an equidigital number, since it uses as much as digits as its factorization.
1144243 is an evil number, because the sum of its binary digits is even.
The product of its digits is 384, while the sum is 19.
The square root of 1144243 is about 1069.6929465973.
The cubic root of 1144243 is about 104.5938352690.
Adding to 1144243 its reverse (3424411), we get a palindrome (4568654).
The spelling of 1144243 in words is "one million, one hundred forty-four thousand, two hundred forty-three".