103242065 has 4 divisors (see below), whose sum is σ = 123890484. Its totient is φ = 82593648.

The previous prime is 103242049. The next prime is 103242091. The reversal of 103242065 is 560242301.

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 49674304 + 53567761 = 7048^2 + 7319^2 .

It is a cyclic number.

It is not a de Polignac number, because 103242065 - 2⁴ = 103242049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103242065.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10324202 + ... + 10324211.

It is an arithmetic number, because the mean of its divisors is an integer number (30972621).

Almost surely, 2^103242065 is an apocalyptic number.

It is an amenable number.

103242065 is a deficient number, since it is larger than the sum of its proper divisors (20648419).

103242065 is an equidigital number, since it uses as much as digits as its factorization.

103242065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20648418.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 103242065 is about 10160.8102531245. The cubic root of 103242065 is about 469.1217414982.

Adding to 103242065 its reverse (560242301), we get a palindrome (663484366).

The spelling of 103242065 in words is "one hundred three million, two hundred forty-two thousand, sixty-five".