4100043 has 12 divisors (see below), whose sum is σ = 5808440. Its totient is φ = 2572032.

The previous prime is 4100023. The next prime is 4100051. The reversal of 4100043 is 3400014.

It is not a de Polignac number, because 4100043 - 2⁵ = 4100011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4100023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1498 + ... + 3231.

Almost surely, 2^4100043 is an apocalyptic number.

4100043 is a deficient number, since it is larger than the sum of its proper divisors (1708397).

4100043 is a wasteful number, since it uses less digits than its factorization.

4100043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4766 (or 4749 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 4100043 is about 2024.8562911970. The cubic root of 4100043 is about 160.0526259180.

Adding to 4100043 its reverse (3400014), we get a palindrome (7500057).

The spelling of 4100043 in words is "four million, one hundred thousand, forty-three".