105106559 has 4 divisors (see below), whose sum is σ = 106147320. Its totient is φ = 104065800.

The previous prime is 105106543. The next prime is 105106679. The reversal of 105106559 is 955601501.

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

It is a cyclic number.

It is not a de Polignac number, because 105106559 - 2⁴ = 105106543 is a prime.

It is a super-2 number, since 2×105106559² = 22094777489640962, 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 (105102559) 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, 520229 + ... + 520430.

It is an arithmetic number, because the mean of its divisors is an integer number (26536830).

Almost surely, 2^105106559 is an apocalyptic number.

105106559 is a deficient number, since it is larger than the sum of its proper divisors (1040761).

105106559 is a wasteful number, since it uses less digits than its factorization.

105106559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040760.

The product of its (nonzero) digits is 6750, while the sum is 32.

The square root of 105106559 is about 10252.1489942353. The cubic root of 105106559 is about 471.9289354252.

The spelling of 105106559 in words is "one hundred five million, one hundred six thousand, five hundred fifty-nine".