82108125 has 60 divisors (see below), whose sum is σ = 161798208. Its totient is φ = 39780000.

The previous prime is 82108123. The next prime is 82108127. The reversal of 82108125 is 52180128.

It is an interprime number because it is at equal distance from previous prime (82108123) and next prime (82108127).

It is not a de Polignac number, because 82108125 - 2¹ = 82108123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82108123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 61212 + ... + 62538.

Almost surely, 2^82108125 is an apocalyptic number.

It is an amenable number.

82108125 is a deficient number, since it is larger than the sum of its proper divisors (79690083).

82108125 is a wasteful number, since it uses less digits than its factorization.

82108125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364 (or 1346 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 82108125 is about 9061.3533757381. The cubic root of 82108125 is about 434.6390187975.

The spelling of 82108125 in words is "eighty-two million, one hundred eight thousand, one hundred twenty-five".