1104643 has 8 divisors (see below), whose sum is σ = 1179360. Its totient is φ = 1031040.

The previous prime is 1104619. The next prime is 1104659. The reversal of 1104643 is 3464011.

It is a happy number.

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 1104643 - 2¹³ = 1096451 is a prime.

It is a Duffinian number.

1104643 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1104643.

It is not an unprimeable number, because it can be changed into a prime (1104613) 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, 2898 + ... + 3256.

It is an arithmetic number, because the mean of its divisors is an integer number (147420).

2^1104643 is an apocalyptic number.

1104643 is a deficient number, since it is larger than the sum of its proper divisors (74717).

1104643 is a wasteful number, since it uses less digits than its factorization.

1104643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1104643 is about 1051.0199807806. The cubic root of 1104643 is about 103.3730463612.

Adding to 1104643 its reverse (3464011), we get a palindrome (4568654).

It can be divided in two parts, 110 and 4643, that added together give a triangular number (4753 = T₉₇).

The spelling of 1104643 in words is "one million, one hundred four thousand, six hundred forty-three".