1223201109 has 8 divisors (see below), whose sum is σ = 1756391392. Its totient is φ = 752739120.

The previous prime is 1223201107. The next prime is 1223201123. The reversal of 1223201109 is 9011023221.

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

It is not a de Polignac number, because 1223201109 - 2¹ = 1223201107 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223201107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15682027 + ... + 15682104.

It is an arithmetic number, because the mean of its divisors is an integer number (219548924).

Almost surely, 2^1223201109 is an apocalyptic number.

It is an amenable number.

1223201109 is a deficient number, since it is larger than the sum of its proper divisors (533190283).

1223201109 is a wasteful number, since it uses less digits than its factorization.

1223201109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31364147.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1223201109 is about 34974.2921157813. The cubic root of 1223201109 is about 1069.4634713699.

The spelling of 1223201109 in words is "one billion, two hundred twenty-three million, two hundred one thousand, one hundred nine".