1221334327 has 8 divisors (see below), whose sum is σ = 1227692240. Its totient is φ = 1214991360.

The previous prime is 1221334321. The next prime is 1221334337. The reversal of 1221334327 is 7234331221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1221334327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1221334295 and 1221334304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1221334321) 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, 183799 + ... + 190327.

It is an arithmetic number, because the mean of its divisors is an integer number (153461530).

Almost surely, 2^1221334327 is an apocalyptic number.

1221334327 is a deficient number, since it is larger than the sum of its proper divisors (6357913).

1221334327 is an equidigital number, since it uses as much as digits as its factorization.

1221334327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7473.

The product of its digits is 6048, while the sum is 28.

The square root of 1221334327 is about 34947.5940087440. The cubic root of 1221334327 is about 1068.9191423326.

Adding to 1221334327 its reverse (7234331221), we get a palindrome (8455665548).

The spelling of 1221334327 in words is "one billion, two hundred twenty-one million, three hundred thirty-four thousand, three hundred twenty-seven".