103866543 has 40 divisors (see below), whose sum is σ = 173264256. Its totient is φ = 61462800.

The previous prime is 103866541. The next prime is 103866547. The reversal of 103866543 is 345668301.

103866543 is a `hidden beast` number, since 103 + 8 + 6 + 6 + 543 = 666.

It is not a de Polignac number, because 103866543 - 2¹ = 103866541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103866498 and 103866507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103866541) 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 39 ways as a sum of consecutive naturals, for example, 36958 + ... + 39668.

Almost surely, 2^103866543 is an apocalyptic number.

103866543 is a deficient number, since it is larger than the sum of its proper divisors (69397713).

103866543 is a wasteful number, since it uses less digits than its factorization.

103866543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777 (or 2768 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 103866543 is about 10191.4936589295. The cubic root of 103866543 is about 470.0656962640.

The spelling of 103866543 in words is "one hundred three million, eight hundred sixty-six thousand, five hundred forty-three".