1234 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.
It is a d-powerful number, because it can be written as 1 + 34 + 27 + 45 .
It is an alternating number because its digits alternate between odd and even.
It is a straight-line number, since its digits are in arithmetic progression.
It is a plaindrome in base 10.
It is a nialpdrome in base 11 and base 14.
It is a self number, because there is not a number n which added to its sum of digits gives 1234.
1234 is an equidigital number, since it uses as much as digits as its factorization.
It is an anagram of its base 7 representation: 1234 = (3412)7.
1234 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 619.
The square root of 1234 is about 35.1283361405. The cubic root of 1234 is about 10.7260146688.
Adding to 1234 its reverse (4321), we get a palindrome (5555).
The spelling of 1234 in words is "one thousand, two hundred thirty-four".