105404043 has 8 divisors (see below), whose sum is σ = 142464208. Its totient is φ = 69306624.

The previous prime is 105404023. The next prime is 105404087. The reversal of 105404043 is 340404501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105404043 - 2⁶ = 105403979 is a prime.

It is a super-2 number, since 2×105404043² = 22220024561491698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105404003) 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, 240430 + ... + 240867.

It is an arithmetic number, because the mean of its divisors is an integer number (17808026).

Almost surely, 2^105404043 is an apocalyptic number.

105404043 is a deficient number, since it is larger than the sum of its proper divisors (37060165).

105404043 is an equidigital number, since it uses as much as digits as its factorization.

105404043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481373.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 105404043 is about 10266.6471157823. The cubic root of 105404043 is about 472.3737508785.

Adding to 105404043 its reverse (340404501), we get a palindrome (445808544).

The spelling of 105404043 in words is "one hundred five million, four hundred four thousand, forty-three".