Subtracting from 1115155 its sum of digits (19), we obtain a square (1115136 = 10562).
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a nude number because it is divisible by every one of its digits.
It is a Duffinian number.
1115155 is a lucky number.
It is an unprimeable number.
21115155 is an apocalyptic number.
1115155 is an equidigital number, since it uses as much as digits as its factorization.
1115155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9725.
The square root of 1115155 is about 1056.0089961738. The cubic root of 1115155 is about 103.6999177646.
The spelling of 1115155 in words is "one million, one hundred fifteen thousand, one hundred fifty-five".