The square root of 1081600 is 1040.
1081600 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.
It is a Duffinian number.
It is an unprimeable number.
21081600 is an apocalyptic number.
1081600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1081600 is the 1040-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1081600
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1081600 is an equidigital number, since it uses as much as digits as its factorization.
1081600 is an odious number, because the sum of its binary digits is odd.
The cubic root of 1081600 is about 102.6491977549.
Multiplying 1081600 by its sum of digits (16), we get a square (17305600 = 41602).
1081600 divided by its sum of digits (16) gives a square (67600 = 2602).
The spelling of 1081600 in words is "one million, eighty-one thousand, six hundred".