11103245 has 12 divisors (see below), whose sum is σ = 13652316. Its totient is φ = 8668800.

The previous prime is 11103217. The next prime is 11103247. The reversal of 11103245 is 54230111.

It can be written as a sum of positive squares in 2 ways, for example, as 1249924 + 9853321 = 1118^2 + 3139^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11103245 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11103247) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 8645 + ... + 9845.

It is an arithmetic number, because the mean of its divisors is an integer number (1137693).

Almost surely, 2^11103245 is an apocalyptic number.

It is an amenable number.

11103245 is a deficient number, since it is larger than the sum of its proper divisors (2549071).

11103245 is an equidigital number, since it uses as much as digits as its factorization.

11103245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292 (or 1249 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 11103245 is about 3332.1532077622. The cubic root of 11103245 is about 223.0916459230.

Adding to 11103245 its reverse (54230111), we get a palindrome (65333356).

The spelling of 11103245 in words is "eleven million, one hundred three thousand, two hundred forty-five".