105013105 has 4 divisors (see below), whose sum is σ = 126015732. Its totient is φ = 84010480.

The previous prime is 105013091. The next prime is 105013109. The reversal of 105013105 is 501310501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23309584 + 81703521 = 4828^2 + 9039^2 .

It is a de Polignac number, because none of the positive numbers 2^k-105013105 is a prime.

It is a super-2 number, since 2×105013105² = 22055504443482050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105013109) 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, 10501306 + ... + 10501315.

It is an arithmetic number, because the mean of its divisors is an integer number (31503933).

Almost surely, 2^105013105 is an apocalyptic number.

It is an amenable number.

105013105 is a deficient number, since it is larger than the sum of its proper divisors (21002627).

105013105 is an equidigital number, since it uses as much as digits as its factorization.

105013105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21002626.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 105013105 is about 10247.5902045310. The cubic root of 105013105 is about 471.7890243198.

Adding to 105013105 its reverse (501310501), we get a palindrome (606323606).

The spelling of 105013105 in words is "one hundred five million, thirteen thousand, one hundred five".