106915 has 4 divisors (see below), whose sum is σ = 128304. Its totient is φ = 85528.

The previous prime is 106907. The next prime is 106921. The reversal of 106915 is 519601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 519601 = 229 ⋅2269.

It is a cyclic number.

It is not a de Polignac number, because 106915 - 2³ = 106907 is a prime.

It is a super-2 number, since 2×106915² = 22861634450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10687 + ... + 10696.

It is an arithmetic number, because the mean of its divisors is an integer number (32076).

2¹⁰⁶⁹¹⁵ is an apocalyptic number.

106915 is a deficient number, since it is larger than the sum of its proper divisors (21389).

106915 is an equidigital number, since it uses as much as digits as its factorization.

106915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21388.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 106915 is about 326.9785925714. The cubic root of 106915 is about 47.4620195008.

Subtracting 106915 from its reverse (519601), we obtain a triangular number (412686 = T₉₀₈).

The spelling of 106915 in words is "one hundred six thousand, nine hundred fifteen".