Adding to 1010100 its reverse (10101), we get a palindrome (1020201).
Subtracting from 1010100 its reverse (10101), we obtain a palindrome (999999).
Multipling 1010100 by its reverse (10101), we get a square (10203020100 = 1010102).
1010100 divided by its reverse (10101) gives a square (100 = 102).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a congruent number.
It is an unprimeable number.
21010100 is an apocalyptic number.
1010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1010100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1847104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1010100 is a wasteful number, since it uses less digits than its factorization.
1010100 is an evil number, because the sum of its binary digits is even.
The square root of 1010100 is about 1005.0373127402. The cubic root of 1010100 is about 100.3355395396.
The spelling of 1010100 in words is "one million, ten thousand, one hundred".