Subtracting from 1065 its product of nonzero digits (30), we obtain a triangular number (1035 = T45).
Adding to 1065 its reverse (5601), we get a palindrome (6666).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a plaindrome in base 11.
It is a self number, because there is not a number n which added to its sum of digits gives 1065.
21065 is an apocalyptic number.
1065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1065 is an equidigital number, since it uses as much as digits as its factorization.
1065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79.
The square root of 1065 is about 32.6343377442. The cubic root of 1065 is about 10.2121347312.
The spelling of 1065 in words is "one thousand, sixty-five".