103487105 has 4 divisors (see below), whose sum is σ = 124184532. Its totient is φ = 82789680.

The previous prime is 103487099. The next prime is 103487117. The reversal of 103487105 is 501784301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501784301 = 139 ⋅3609959.

It can be written as a sum of positive squares in 2 ways, for example, as 61716736 + 41770369 = 7856^2 + 6463^2 .

It is not a de Polignac number, because 103487105 - 2⁴ = 103487089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10348706 + ... + 10348715.

It is an arithmetic number, because the mean of its divisors is an integer number (31046133).

Almost surely, 2^103487105 is an apocalyptic number.

It is an amenable number.

103487105 is a deficient number, since it is larger than the sum of its proper divisors (20697427).

103487105 is an equidigital number, since it uses as much as digits as its factorization.

103487105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20697426.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 103487105 is about 10172.8612002720. The cubic root of 103487105 is about 469.4925941014.

The spelling of 103487105 in words is "one hundred three million, four hundred eighty-seven thousand, one hundred five".