Adding to 1273 its reverse (3721), we get a palindrome (4994).
1273 is nontrivially palindromic in base 2.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3721 = 612.
It is a cyclic number.
It is a Duffinian number.
It is a plaindrome in base 7, base 14 and base 15.
It is a nialpdrome in base 6.
It is an amenable number.
1273 is an equidigital number, since it uses as much as digits as its factorization.
1273 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86.
The square root of 1273 is about 35.6791255498. The cubic root of 1273 is about 10.8378416476.
The spelling of 1273 in words is "one thousand, two hundred seventy-three", and thus it is an iban number.