1214360643 has 8 divisors (see below), whose sum is σ = 1714391568. Its totient is φ = 761951744.

The previous prime is 1214360639. The next prime is 1214360657. The reversal of 1214360643 is 3460634121.

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 1214360643 - 2² = 1214360639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1214360643.

It is not an unprimeable number, because it can be changed into a prime (1214360663) 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, 11905446 + ... + 11905547.

It is an arithmetic number, because the mean of its divisors is an integer number (214298946).

Almost surely, 2^1214360643 is an apocalyptic number.

1214360643 is a deficient number, since it is larger than the sum of its proper divisors (500030925).

1214360643 is a wasteful number, since it uses less digits than its factorization.

1214360643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23811013.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1214360643 is about 34847.6777275043. The cubic root of 1214360643 is about 1066.8807877548.

Adding to 1214360643 its reverse (3460634121), we get a palindrome (4674994764).

The spelling of 1214360643 in words is "one billion, two hundred fourteen million, three hundred sixty thousand, six hundred forty-three".