103289105 has 4 divisors (see below), whose sum is σ = 123946932. Its totient is φ = 82631280.

The previous prime is 103289083. The next prime is 103289129. The reversal of 103289105 is 501982301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47458321 + 55830784 = 6889^2 + 7472^2 .

It is not a de Polignac number, because 103289105 - 2⁶ = 103289041 is a prime.

It is a Duffinian 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, 10328906 + ... + 10328915.

It is an arithmetic number, because the mean of its divisors is an integer number (30986733).

Almost surely, 2^103289105 is an apocalyptic number.

It is an amenable number.

103289105 is a deficient number, since it is larger than the sum of its proper divisors (20657827).

103289105 is an equidigital number, since it uses as much as digits as its factorization.

103289105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20657826.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 103289105 is about 10163.1247655433. The cubic root of 103289105 is about 469.1929790506.

The spelling of 103289105 in words is "one hundred three million, two hundred eighty-nine thousand, one hundred five".