1214738159 has 2 divisors, whose sum is σ = 1214738160. Its totient is φ = 1214738158.

The previous prime is 1214738143. The next prime is 1214738209. The reversal of 1214738159 is 9518374121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1214738159 - 2⁴ = 1214738143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214738059) 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, 607369079 + 607369080.

It is an arithmetic number, because the mean of its divisors is an integer number (607369080).

Almost surely, 2^1214738159 is an apocalyptic number.

1214738159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214738159 is an equidigital number, since it uses as much as digits as its factorization.

1214738159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 41.

The square root of 1214738159 is about 34853.0939659595. The cubic root of 1214738159 is about 1066.9913323008.

The spelling of 1214738159 in words is "one billion, two hundred fourteen million, seven hundred thirty-eight thousand, one hundred fifty-nine".