Adding to 103518 its reverse (815301), we get a palindrome (918819).
It is a happy number.
It is an Ulam number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 103518.
It is a congruent number.
103518 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2103518 is an apocalyptic number.
103518 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 103518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103518 is an frugal number, since it uses more digits than its factorization.
103518 is an odious number, because the sum of its binary digits is odd.
The square root of 103518 is about 321.7421327710. The cubic root of 103518 is about 46.9539310165.
The spelling of 103518 in words is "one hundred three thousand, five hundred eighteen".