Adding to 1111147 its reverse (7411111), we get a palindrome (8522258).
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1111147 is a prime.
It is a Duffinian number.
It is a plaindrome in base 10.
It is a self number, because there is not a number n which added to its sum of digits gives 1111147.
21111147 is an apocalyptic number.
1111147 is an equidigital number, since it uses as much as digits as its factorization.
1111147 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 605.
The square root of 1111147 is about 1054.1095768467. The cubic root of 1111147 is about 103.5755320043.
The spelling of 1111147 in words is "one million, one hundred eleven thousand, one hundred forty-seven".