103242305 has 8 divisors (see below), whose sum is σ = 126912744. Its totient is φ = 80579200.

The previous prime is 103242283. The next prime is 103242319. The reversal of 103242305 is 503242301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3701776 + 99540529 = 1924^2 + 9977^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103242305 - 2⁸ = 103242049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251606 + ... + 252015.

It is an arithmetic number, because the mean of its divisors is an integer number (15864093).

Almost surely, 2^103242305 is an apocalyptic number.

It is an amenable number.

103242305 is a deficient number, since it is larger than the sum of its proper divisors (23670439).

103242305 is an equidigital number, since it uses as much as digits as its factorization.

103242305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503667.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 103242305 is about 10160.8220631994. The cubic root of 103242305 is about 469.1221050100.

Adding to 103242305 its reverse (503242301), we get a palindrome (606484606).

The spelling of 103242305 in words is "one hundred three million, two hundred forty-two thousand, three hundred five".