Multipling 1097729424 by its product of nonzero digits (254016), we get a square (278840837366784 = 166985282).
It is a happy number.
The square root of 1097729424 is 33132.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1097729424.
It is an unprimeable number.
Almost surely, 21097729424 is an apocalyptic number.
1097729424 is the 33132-nd square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1097729424
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1097729424 is a wasteful number, since it uses less digits than its factorization.
1097729424 is an odious number, because the sum of its binary digits is odd.
The cubic root of 1097729424 is about 1031.5693624214.
The spelling of 1097729424 in words is "one billion, ninety-seven million, seven hundred twenty-nine thousand, four hundred twenty-four".