26103 has 16 divisors (see below), whose sum is σ = 43776. Its totient is φ = 13440.

The previous prime is 26099. The next prime is 26107. The reversal of 26103 is 30162.

It is an interprime number because it is at equal distance from previous prime (26099) and next prime (26107).

It is not a de Polignac number, because 26103 - 2² = 26099 is a prime.

26103 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26107) 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 15 ways as a sum of consecutive naturals, for example, 175 + ... + 287.

It is an arithmetic number, because the mean of its divisors is an integer number (2736).

2²⁶¹⁰³ is an apocalyptic number.

26103 is a deficient number, since it is larger than the sum of its proper divisors (17673).

26103 is a wasteful number, since it uses less digits than its factorization.

26103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 26103 is about 161.5642287142. The cubic root of 26103 is about 29.6640292792.

Multiplying 26103 by its sum of digits (12), we get a triangular number (313236 = T₇₉₁).

Adding to 26103 its reverse (30162), we get a palindrome (56265).

It can be divided in two parts, 2 and 6103, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 26103 in words is "twenty-six thousand, one hundred three".