1214643 has 8 divisors (see below), whose sum is σ = 1643968. Its totient is φ = 797544.

The previous prime is 1214641. The next prime is 1214657. The reversal of 1214643 is 3464121.

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

It is not a de Polignac number, because 1214643 - 2¹ = 1214641 is a prime.

It is a Duffinian number.

1214643 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1214641) 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, 2821 + ... + 3222.

It is an arithmetic number, because the mean of its divisors is an integer number (205496).

2^1214643 is an apocalyptic number.

1214643 is a deficient number, since it is larger than the sum of its proper divisors (429325).

1214643 is an equidigital number, since it uses as much as digits as its factorization.

1214643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6113.

The product of its digits is 576, while the sum is 21.

The square root of 1214643 is about 1102.1084338666. The cubic root of 1214643 is about 106.6963469923.

Adding to 1214643 its reverse (3464121), we get a palindrome (4678764).

The spelling of 1214643 in words is "one million, two hundred fourteen thousand, six hundred forty-three".