105105122 has 4 divisors (see below), whose sum is σ = 157657686. Its totient is φ = 52552560.

The previous prime is 105105109. The next prime is 105105163. The reversal of 105105122 is 221501501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221501501 = 13 ⋅17038577.

It can be written as a sum of positive squares in only one way, i.e., 89510521 + 15594601 = 9461^2 + 3949^2 .

It is a super-2 number, since 2×105105122² = 22094173341269768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105105122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26276279 + ... + 26276282.

Almost surely, 2^105105122 is an apocalyptic number.

105105122 is a deficient number, since it is larger than the sum of its proper divisors (52552564).

105105122 is an equidigital number, since it uses as much as digits as its factorization.

105105122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52552563.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 105105122 is about 10252.0789111282. The cubic root of 105105122 is about 471.9267847032.

Adding to 105105122 its reverse (221501501), we get a palindrome (326606623).

The spelling of 105105122 in words is "one hundred five million, one hundred five thousand, one hundred twenty-two".