105603113 has 12 divisors (see below), whose sum is σ = 132659520. Its totient is φ = 82287480.

The previous prime is 105603109. The next prime is 105603151. The reversal of 105603113 is 311306501.

It is a happy number.

It is not a de Polignac number, because 105603113 - 2² = 105603109 is a prime.

It is a super-2 number, since 2×105603113² = 22304034950581538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105603163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61493 + ... + 63186.

It is an arithmetic number, because the mean of its divisors is an integer number (11054960).

Almost surely, 2^105603113 is an apocalyptic number.

It is an amenable number.

105603113 is a deficient number, since it is larger than the sum of its proper divisors (27056407).

105603113 is a wasteful number, since it uses less digits than its factorization.

105603113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124708 (or 124697 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 105603113 is about 10276.3375285167. The cubic root of 105603113 is about 472.6709447442.

Adding to 105603113 its reverse (311306501), we get a palindrome (416909614).

The spelling of 105603113 in words is "one hundred five million, six hundred three thousand, one hundred thirteen".