1123221199 has 8 divisors (see below), whose sum is σ = 1151604720. Its totient is φ = 1094884800.

The previous prime is 1123221179. The next prime is 1123221217. The reversal of 1123221199 is 9911223211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123221199 - 2⁵ = 1123221167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1123221199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123221179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39244 + ... + 61534.

It is an arithmetic number, because the mean of its divisors is an integer number (143950590).

Almost surely, 2^1123221199 is an apocalyptic number.

1123221199 is a deficient number, since it is larger than the sum of its proper divisors (28383521).

1123221199 is a wasteful number, since it uses less digits than its factorization.

1123221199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23561.

The product of its digits is 1944, while the sum is 31.

The square root of 1123221199 is about 33514.4923727035. The cubic root of 1123221199 is about 1039.4934660413.

The spelling of 1123221199 in words is "one billion, one hundred twenty-three million, two hundred twenty-one thousand, one hundred ninety-nine".