8142105 has 16 divisors (see below), whose sum is σ = 13118400. Its totient is φ = 4312128.

The previous prime is 8142103. The next prime is 8142107. The reversal of 8142105 is 5012418.

It is an interprime number because it is at equal distance from previous prime (8142103) and next prime (8142107).

It is not a de Polignac number, because 8142105 - 2¹ = 8142103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8142103) 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 in 15 ways as a sum of consecutive naturals, for example, 414 + ... + 4056.

It is an arithmetic number, because the mean of its divisors is an integer number (819900).

Almost surely, 2^8142105 is an apocalyptic number.

It is an amenable number.

8142105 is a deficient number, since it is larger than the sum of its proper divisors (4976295).

8142105 is a wasteful number, since it uses less digits than its factorization.

8142105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3800.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 8142105 is about 2853.4374007502. The cubic root of 8142105 is about 201.1772649723.

The spelling of 8142105 in words is "eight million, one hundred forty-two thousand, one hundred five".