104206543 has 16 divisors (see below), whose sum is σ = 122524416. Its totient is φ = 86765760.

The previous prime is 104206523. The next prime is 104206559. The reversal of 104206543 is 345602401.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104206543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104206513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80580 + ... + 81862.

It is an arithmetic number, because the mean of its divisors is an integer number (7657776).

Almost surely, 2^104206543 is an apocalyptic number.

104206543 is a deficient number, since it is larger than the sum of its proper divisors (18317873).

104206543 is a wasteful number, since it uses less digits than its factorization.

104206543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 104206543 is about 10208.1606080626. The cubic root of 104206543 is about 470.5780468870.

Adding to 104206543 its reverse (345602401), we get a palindrome (449808944).

The spelling of 104206543 in words is "one hundred four million, two hundred six thousand, five hundred forty-three".