Adding to 1001001000 its reverse (1001001), we get a palindrome (1002002001).
Subtracting from 1001001000 its reverse (1001001), we obtain a palindrome (999999999).
1001001000 divided by its reverse (1001001) gives a cube (1000 = 103).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is an unprimeable number.
Almost surely, 21001001000 is an apocalyptic number.
1001001000 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 pseudoperfect number, because it is the sum of a subset of its proper divisors.
1001001000 is a wasteful number, since it uses less digits than its factorization.
1001001000 is an evil number, because the sum of its binary digits is even.
The square root of 1001001000 is about 31638.5998425973. The cubic root of 1001001000 is about 1000.3335553951. Note that the first 3 decimals are identical.
The spelling of 1001001000 in words is "one billion, one million, one thousand".