103411405 has 4 divisors (see below), whose sum is σ = 124093692. Its totient is φ = 82729120.

The previous prime is 103411397. The next prime is 103411447. The reversal of 103411405 is 504114301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 504114301 = 449 ⋅1122749.

It can be written as a sum of positive squares in 2 ways, for example, as 40985604 + 62425801 = 6402^2 + 7901^2 .

It is not a de Polignac number, because 103411405 - 2³ = 103411397 is a prime.

It is a Duffinian number.

It is a congruent 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, 10341136 + ... + 10341145.

It is an arithmetic number, because the mean of its divisors is an integer number (31023423).

Almost surely, 2^103411405 is an apocalyptic number.

It is an amenable number.

103411405 is a deficient number, since it is larger than the sum of its proper divisors (20682287).

103411405 is an equidigital number, since it uses as much as digits as its factorization.

103411405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20682286.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 103411405 is about 10169.1398357973. The cubic root of 103411405 is about 469.3780894689.

Adding to 103411405 its reverse (504114301), we get a palindrome (607525706).

The spelling of 103411405 in words is "one hundred three million, four hundred eleven thousand, four hundred five".