8102115 has 72 divisors (see below), whose sum is σ = 17241120. Its totient is φ = 3446784.

The previous prime is 8102111. The next prime is 8102117. The reversal of 8102115 is 5112018.

It is not a de Polignac number, because 8102115 - 2² = 8102111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8102111) 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 71 ways as a sum of consecutive naturals, for example, 90991 + ... + 91079.

It is an arithmetic number, because the mean of its divisors is an integer number (239460).

Almost surely, 2^8102115 is an apocalyptic number.

8102115 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

8102115 is an abundant number, since it is smaller than the sum of its proper divisors (9139005).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8102115 is a wasteful number, since it uses less digits than its factorization.

8102115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 8102115 is about 2846.4214375247. The cubic root of 8102115 is about 200.8473631416.

The spelling of 8102115 in words is "eight million, one hundred two thousand, one hundred fifteen".