1243221314 has 8 divisors (see below), whose sum is σ = 1892665488. Its totient is φ = 612332820.

The previous prime is 1243221307. The next prime is 1243221347. The reversal of 1243221314 is 4131223421.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1243221314.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4638752 + ... + 4639019.

It is an arithmetic number, because the mean of its divisors is an integer number (236583186).

Almost surely, 2^1243221314 is an apocalyptic number.

1243221314 is a deficient number, since it is larger than the sum of its proper divisors (649444174).

1243221314 is an equidigital number, since it uses as much as digits as its factorization.

1243221314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9277840.

The product of its digits is 1152, while the sum is 23.

The square root of 1243221314 is about 35259.3436410833. The cubic root of 1243221314 is about 1075.2665829578.

Adding to 1243221314 its reverse (4131223421), we get a palindrome (5374444735).

The spelling of 1243221314 in words is "one billion, two hundred forty-three million, two hundred twenty-one thousand, three hundred fourteen".