103915 has 8 divisors (see below), whose sum is σ = 142560. Its totient is φ = 71232.

The previous prime is 103913. The next prime is 103919. The reversal of 103915 is 519301.

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

It is not a de Polignac number, because 103915 - 2¹ = 103913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103892 and 103901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103913) 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, 1450 + ... + 1519.

It is an arithmetic number, because the mean of its divisors is an integer number (17820).

2¹⁰³⁹¹⁵ is an apocalyptic number.

103915 is a deficient number, since it is larger than the sum of its proper divisors (38645).

103915 is an equidigital number, since it uses as much as digits as its factorization.

103915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 103915 is about 322.3584960878. The cubic root of 103915 is about 47.0138785029.

The spelling of 103915 in words is "one hundred three thousand, nine hundred fifteen".