It is a happy number.
It is an alternating number because its digits alternate between odd and even.
It is a Curzon number.
105210 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
105210 is a Friedman number, since it can be written as 501*210, using all its digits and the basic arithmetic operations.
2105210 is an apocalyptic number.
105210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 105210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105210 is a wasteful number, since it uses less digits than its factorization.
105210 is an odious number, because the sum of its binary digits is odd.
The square root of 105210 is about 324.3609100986. The cubic root of 105210 is about 47.2083701521.
Adding to 105210 its reverse (12501), we get a palindrome (117711).
The spelling of 105210 in words is "one hundred five thousand, two hundred ten".