100005043 has 4 divisors (see below), whose sum is σ = 102707920. Its totient is φ = 97302168.

The previous prime is 100005041. The next prime is 100005083. The reversal of 100005043 is 340500001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100005043 - 2¹ = 100005041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100005041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1351383 + ... + 1351456.

It is an arithmetic number, because the mean of its divisors is an integer number (25676980).

Almost surely, 2^100005043 is an apocalyptic number.

100005043 is a deficient number, since it is larger than the sum of its proper divisors (2702877).

100005043 is an equidigital number, since it uses as much as digits as its factorization.

100005043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702876.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 100005043 is about 10000.2521468211. The cubic root of 100005043 is about 464.1666857410.

Adding to 100005043 its reverse (340500001), we get a palindrome (440505044).

The spelling of 100005043 in words is "one hundred million, five thousand, forty-three".