Adding to 100100000 its reverse (1001), we get a palindrome (100101001).
100100000 divided by its reverse (1001) gives a 5-th power (100000 = 105).
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.
Almost surely, 2100100000 is an apocalyptic number.
100100000 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 100100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165364416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100100000 is an equidigital number, since it uses as much as digits as its factorization.
100100000 is an evil number, because the sum of its binary digits is even.
The square root of 100100000 is about 10004.9987506246. The cubic root of 100100000 is about 464.3135514445.
The spelling of 100100000 in words is "one hundred million, one hundred thousand".