1214365643 has 8 divisors (see below), whose sum is σ = 1230881280. Its totient is φ = 1197878760.

The previous prime is 1214365637. The next prime is 1214365651. The reversal of 1214365643 is 3465634121.

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 1214365643 - 2¹⁶ = 1214300107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214365693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85946 + ... + 99072.

It is an arithmetic number, because the mean of its divisors is an integer number (153860160).

Almost surely, 2^1214365643 is an apocalyptic number.

1214365643 is a deficient number, since it is larger than the sum of its proper divisors (16515637).

1214365643 is a wasteful number, since it uses less digits than its factorization.

1214365643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14377.

The product of its digits is 51840, while the sum is 35.

The square root of 1214365643 is about 34847.7494682225. The cubic root of 1214365643 is about 1066.8822520086.

Adding to 1214365643 its reverse (3465634121), we get a palindrome (4679999764).

The spelling of 1214365643 in words is "one billion, two hundred fourteen million, three hundred sixty-five thousand, six hundred forty-three".