It is a sphenic number, since it is the product of 3 distinct primes.
It is a 3-Lehmer number, since φ(1193221) divides (1193221-1)3.
It is a cyclic number.
It is a Carmichael number.
It is a de Polignac number, because none of the positive numbers 2k-1193221 is a prime.
It is a deceptive number, since it divides R1193220.
It is a congruent number.
It is a Poulet number, since it divides 21193220-1.
21193221 is an apocalyptic number.
1193221 is the 631-st octagonal number.
It is an amenable number.
1193221 is an equidigital number, since it uses as much as digits as its factorization.
1193221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 723.
The square root of 1193221 is about 1092.3465567301. The cubic root of 1193221 is about 106.0653744111.
The spelling of 1193221 in words is "one million, one hundred ninety-three thousand, two hundred twenty-one".