103540105 has 4 divisors (see below), whose sum is σ = 124248132. Its totient is φ = 82832080.

The previous prime is 103540091. The next prime is 103540109. The reversal of 103540105 is 501045301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501045301 = 17 ⋅29473253.

It can be written as a sum of positive squares in 2 ways, for example, as 39476089 + 64064016 = 6283^2 + 8004^2 .

It is not a de Polignac number, because 103540105 - 2⁷ = 103539977 is a prime.

It is a super-3 number, since 3×103540105³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103540109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10354006 + ... + 10354015.

It is an arithmetic number, because the mean of its divisors is an integer number (31062033).

Almost surely, 2^103540105 is an apocalyptic number.

It is an amenable number.

103540105 is a deficient number, since it is larger than the sum of its proper divisors (20708027).

103540105 is an equidigital number, since it uses as much as digits as its factorization.

103540105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20708026.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 103540105 is about 10175.4658370023. The cubic root of 103540105 is about 469.5727292409.

Adding to 103540105 its reverse (501045301), we get a palindrome (604585406).

The spelling of 103540105 in words is "one hundred three million, five hundred forty thousand, one hundred five".