105436687 has 2 divisors, whose sum is σ = 105436688. Its totient is φ = 105436686.

The previous prime is 105436679. The next prime is 105436697. The reversal of 105436687 is 786634501.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (786634501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105436687 - 2³ = 105436679 is a prime.

It is a super-2 number, since 2×105436687² = 22233789931071938, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105436697) by changing a digit.

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, 52718343 + 52718344.

It is an arithmetic number, because the mean of its divisors is an integer number (52718344).

Almost surely, 2^105436687 is an apocalyptic number.

105436687 is a deficient number, since it is larger than the sum of its proper divisors (1).

105436687 is an equidigital number, since it uses as much as digits as its factorization.

105436687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 105436687 is about 10268.2368009313. The cubic root of 105436687 is about 472.4225111116.

The spelling of 105436687 in words is "one hundred five million, four hundred thirty-six thousand, six hundred eighty-seven".