1214321243 has 8 divisors (see below), whose sum is σ = 1261910400. Its totient is φ = 1167258240.

The previous prime is 1214321209. The next prime is 1214321267. The reversal of 1214321243 is 3421234121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1214321243 - 2¹² = 1214317147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214381243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126830 + ... + 136067.

It is an arithmetic number, because the mean of its divisors is an integer number (157738800).

Almost surely, 2^1214321243 is an apocalyptic number.

1214321243 is a deficient number, since it is larger than the sum of its proper divisors (47589157).

1214321243 is a wasteful number, since it uses less digits than its factorization.

1214321243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263077.

The product of its digits is 1152, while the sum is 23.

The square root of 1214321243 is about 34847.1124054777. The cubic root of 1214321243 is about 1066.8692492941.

Adding to 1214321243 its reverse (3421234121), we get a palindrome (4635555364).

The spelling of 1214321243 in words is "one billion, two hundred fourteen million, three hundred twenty-one thousand, two hundred forty-three".