106112005 has 4 divisors (see below), whose sum is σ = 127334412. Its totient is φ = 84889600.

The previous prime is 106111991. The next prime is 106112009. The reversal of 106112005 is 500211601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500211601 = 5297 ⋅94433.

It can be written as a sum of positive squares in 2 ways, for example, as 45131524 + 60980481 = 6718^2 + 7809^2 .

It is not a de Polignac number, because 106112005 - 2⁷ = 106111877 is a prime.

It is a super-2 number, since 2×106112005² = 22519515210240050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106112009) 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, 10611196 + ... + 10611205.

It is an arithmetic number, because the mean of its divisors is an integer number (31833603).

Almost surely, 2^106112005 is an apocalyptic number.

It is an amenable number.

106112005 is a deficient number, since it is larger than the sum of its proper divisors (21222407).

106112005 is an equidigital number, since it uses as much as digits as its factorization.

106112005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21222406.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 106112005 is about 10301.0681484980. The cubic root of 106112005 is about 473.4289814753.

Adding to 106112005 its reverse (500211601), we get a palindrome (606323606).

The spelling of 106112005 in words is "one hundred six million, one hundred twelve thousand, five".