21381068 is an apocalyptic number.
1381068 is a gapful number since it is divisible by the number (18) 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 1381068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1898442).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1381068 is a wasteful number, since it uses less digits than its factorization.
1381068 is an odious number, because the sum of its binary digits is odd.
The square root of 1381068 is about 1175.1884955189. The cubic root of 1381068 is about 111.3623415951.
Adding to 1381068 its reverse (8601831), we get a palindrome (9982899).
The spelling of 1381068 in words is "one million, three hundred eighty-one thousand, sixty-eight".