105042871 has 2 divisors, whose sum is σ = 105042872. Its totient is φ = 105042870.

The previous prime is 105042869. The next prime is 105042877. The reversal of 105042871 is 178240501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105042871 - 2¹ = 105042869 is a prime.

It is a super-2 number, since 2×105042871² = 22068009495845282, which contains 22 as substring.

Together with 105042869, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105042877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52521435 + 52521436.

It is an arithmetic number, because the mean of its divisors is an integer number (52521436).

Almost surely, 2^105042871 is an apocalyptic number.

105042871 is a deficient number, since it is larger than the sum of its proper divisors (1).

105042871 is an equidigital number, since it uses as much as digits as its factorization.

105042871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 105042871 is about 10249.0424430773. The cubic root of 105042871 is about 471.8335963614.

The spelling of 105042871 in words is "one hundred five million, forty-two thousand, eight hundred seventy-one".