1321233229 has 8 divisors (see below), whose sum is σ = 1451240640. Its totient is φ = 1197272736.

The previous prime is 1321233203. The next prime is 1321233247. The reversal of 1321233229 is 9223321231.

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 1321233229 - 2¹¹ = 1321231181 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1321233197 and 1321233206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321293229) 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, 1511272 + ... + 1512145.

It is an arithmetic number, because the mean of its divisors is an integer number (181405080).

Almost surely, 2^1321233229 is an apocalyptic number.

1321233229 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1321233229 is a deficient number, since it is larger than the sum of its proper divisors (130007411).

1321233229 is a wasteful number, since it uses less digits than its factorization.

1321233229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023459.

The product of its digits is 3888, while the sum is 28.

The square root of 1321233229 is about 36348.7720425326. The cubic root of 1321233229 is about 1097.3028214527.

The spelling of 1321233229 in words is "one billion, three hundred twenty-one million, two hundred thirty-three thousand, two hundred twenty-nine".