105105879 has 6 divisors (see below), whose sum is σ = 151819616. Its totient is φ = 70070580.

The previous prime is 105105877. The next prime is 105105893. The reversal of 105105879 is 978501501.

It is not a de Polignac number, because 105105879 - 2¹ = 105105877 is a prime.

It is a super-2 number, since 2×105105879² = 22094491600725282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105105877) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5839207 + ... + 5839224.

Almost surely, 2^105105879 is an apocalyptic number.

105105879 is a deficient number, since it is larger than the sum of its proper divisors (46713737).

105105879 is a wasteful number, since it uses less digits than its factorization.

105105879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11678437 (or 11678434 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 36.

The square root of 105105879 is about 10252.1158304030. The cubic root of 105105879 is about 471.9279176886.

The spelling of 105105879 in words is "one hundred five million, one hundred five thousand, eight hundred seventy-nine".