1000541105 has 4 divisors (see below), whose sum is σ = 1200649332.
Its totient is φ = 800432880.
The previous prime is 1000541099. The next prime is 1000541119. The reversal of 1000541105 is 5011450001.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5011450001 = 97 ⋅51664433.
It can be written as a sum of positive squares in 2 ways, for example, as 225030001 + 775511104 = 15001^2 + 27848^2
It is not a de Polignac number, because 1000541105 - 26 = 1000541041 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100054106 + ... + 100054115.
It is an arithmetic number, because the mean of its divisors is an integer number (300162333).
Almost surely, 21000541105 is an apocalyptic number.
It is an amenable number.
1000541105 is a deficient number, since it is larger than the sum of its proper divisors (200108227).
1000541105 is an equidigital number, since it uses as much as digits as its factorization.
1000541105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 200108226.
The product of its (nonzero) digits is 100, while the sum is 17.
The square root of 1000541105 is about 31631.3310658910.
The cubic root of 1000541105 is about 1000.1803358104.
The spelling of 1000541105 in words is "one billion, five hundred forty-one thousand, one hundred five".