1214002243 has 4 divisors (see below), whose sum is σ = 1229369440. Its totient is φ = 1198635048.

The previous prime is 1214002241. The next prime is 1214002247. The reversal of 1214002243 is 3422004121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3422004121 = 97 ⋅35278393.

It is a cyclic number.

It is not a de Polignac number, because 1214002243 - 2¹ = 1214002241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1214002243.

It is not an unprimeable number, because it can be changed into a prime (1214002241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7683480 + ... + 7683637.

It is an arithmetic number, because the mean of its divisors is an integer number (307342360).

Almost surely, 2^1214002243 is an apocalyptic number.

1214002243 is a deficient number, since it is larger than the sum of its proper divisors (15367197).

1214002243 is an equidigital number, since it uses as much as digits as its factorization.

1214002243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15367196.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1214002243 is about 34842.5349680531. The cubic root of 1214002243 is about 1066.7758195699.

Adding to 1214002243 its reverse (3422004121), we get a palindrome (4636006364).

The spelling of 1214002243 in words is "one billion, two hundred fourteen million, two thousand, two hundred forty-three".