1214444243 has 2 divisors, whose sum is σ = 1214444244. Its totient is φ = 1214444242.

The previous prime is 1214444239. The next prime is 1214444291. The reversal of 1214444243 is 3424444121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1214444243 - 2² = 1214444239 is a prime.

It is not a weakly prime, because it can be changed into another prime (1214444213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607222121 + 607222122.

It is an arithmetic number, because the mean of its divisors is an integer number (607222122).

Almost surely, 2^1214444243 is an apocalyptic number.

1214444243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214444243 is an equidigital number, since it uses as much as digits as its factorization.

1214444243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12288, while the sum is 29.

The square root of 1214444243 is about 34848.8772129031. The cubic root of 1214444243 is about 1066.9052695504.

Adding to 1214444243 its reverse (3424444121), we get a palindrome (4638888364).

The spelling of 1214444243 in words is "one billion, two hundred fourteen million, four hundred forty-four thousand, two hundred forty-three".