1141447 has 2 divisors, whose sum is σ = 1141448.
Its totient is φ = 1141446.
The previous prime is 1141423. The next prime is 1141453. The reversal of 1141447 is 7441411.
It is a happy number.
It is a strong prime.
It is an emirp because it is prime and its reverse (7441411) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1141447 - 27 = 1141319 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1141417) 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, 570723 + 570724.
It is an arithmetic number, because the mean of its divisors is an integer number (570724).
21141447 is an apocalyptic number.
1141447 is a deficient number, since it is larger than the sum of its proper divisors (1).
1141447 is an equidigital number, since it uses as much as digits as its factorization.
1141447 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 448, while the sum is 22.
The square root of 1141447 is about 1068.3852301488.
The cubic root of 1141447 is about 104.5085728184.
Adding to 1141447 its reverse (7441411), we get a palindrome (8582858).
The spelling of 1141447 in words is "one million, one hundred forty-one thousand, four hundred forty-seven".