1204223321 has 8 divisors (see below), whose sum is σ = 1376465280. Its totient is φ = 1032033888.

The previous prime is 1204223309. The next prime is 1204223323. The reversal of 1204223321 is 1233224021.

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 1204223321 - 2¹⁸ = 1203961177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1204223293 and 1204223302.

It is not an unprimeable number, because it can be changed into a prime (1204223323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81140 + ... + 94826.

It is an arithmetic number, because the mean of its divisors is an integer number (172058160).

Almost surely, 2^1204223321 is an apocalyptic number.

It is an amenable number.

1204223321 is a deficient number, since it is larger than the sum of its proper divisors (172241959).

1204223321 is a wasteful number, since it uses less digits than its factorization.

1204223321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26263.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1204223321 is about 34701.9209986998. The cubic root of 1204223321 is about 1063.9037618239.

Adding to 1204223321 its reverse (1233224021), we get a palindrome (2437447342).

The spelling of 1204223321 in words is "one billion, two hundred four million, two hundred twenty-three thousand, three hundred twenty-one".