108215 has 8 divisors (see below), whose sum is σ = 135648. Its totient is φ = 82720.

The previous prime is 108211. The next prime is 108217. The reversal of 108215 is 512801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 108215 - 2² = 108211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 108193 and 108202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356 + ... + 585.

It is an arithmetic number, because the mean of its divisors is an integer number (16956).

2¹⁰⁸²¹⁵ is an apocalyptic number.

108215 is a deficient number, since it is larger than the sum of its proper divisors (27433).

108215 is an equidigital number, since it uses as much as digits as its factorization.

108215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 108215 is about 328.9604839491. The cubic root of 108215 is about 47.6536116518.

It can be divided in two parts, 108 and 215, that multiplied together give a triangular number (23220 = T₂₁₅).

The spelling of 108215 in words is "one hundred eight thousand, two hundred fifteen".