1223201329 has 8 divisors (see below), whose sum is σ = 1399704768. Its totient is φ = 1047138000.

The previous prime is 1223201327. The next prime is 1223201351. The reversal of 1223201329 is 9231023221.

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 1223201329 - 2¹ = 1223201327 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223201327) 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, 104047 + ... + 115204.

It is an arithmetic number, because the mean of its divisors is an integer number (174963096).

Almost surely, 2^1223201329 is an apocalyptic number.

It is an amenable number.

1223201329 is a deficient number, since it is larger than the sum of its proper divisors (176503439).

1223201329 is an equidigital number, since it uses as much as digits as its factorization.

1223201329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220055.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1223201329 is about 34974.2952609484. The cubic root of 1223201329 is about 1069.4635354864.

The spelling of 1223201329 in words is "one billion, two hundred twenty-three million, two hundred one thousand, three hundred twenty-nine".