1214431199 has 2 divisors, whose sum is σ = 1214431200. Its totient is φ = 1214431198.

The previous prime is 1214431187. The next prime is 1214431223. The reversal of 1214431199 is 9911344121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1214431199 - 2¹² = 1214427103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214431399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607215599 + 607215600.

It is an arithmetic number, because the mean of its divisors is an integer number (607215600).

Almost surely, 2^1214431199 is an apocalyptic number.

1214431199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214431199 is an equidigital number, since it uses as much as digits as its factorization.

1214431199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 35.

The square root of 1214431199 is about 34848.6900614643. The cubic root of 1214431199 is about 1066.9014497614.

The spelling of 1214431199 in words is "one billion, two hundred fourteen million, four hundred thirty-one thousand, one hundred ninety-nine".