1214442243 has 24 divisors (see below), whose sum is σ = 2122724448. Its totient is φ = 653144832.

The previous prime is 1214442223. The next prime is 1214442283. The reversal of 1214442243 is 3422444121.

1214442243 is a `hidden beast` number, since 1 + 214 + 442 + 2 + 4 + 3 = 666.

It is not a de Polignac number, because 1214442243 - 2⁵ = 1214442211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1214442223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 565896 + ... + 568037.

It is an arithmetic number, because the mean of its divisors is an integer number (88446852).

Almost surely, 2^1214442243 is an apocalyptic number.

1214442243 is a deficient number, since it is larger than the sum of its proper divisors (908282205).

1214442243 is a wasteful number, since it uses less digits than its factorization.

1214442243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133963 (or 1133960 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 1214442243 is about 34848.8485175622. The cubic root of 1214442243 is about 1066.9046838746.

Adding to 1214442243 its reverse (3422444121), we get a palindrome (4636886364).

The spelling of 1214442243 in words is "one billion, two hundred fourteen million, four hundred forty-two thousand, two hundred forty-three".