11031245 has 4 divisors (see below), whose sum is σ = 13237500. Its totient is φ = 8824992.

The previous prime is 11031239. The next prime is 11031247. The reversal of 11031245 is 54213011.

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 8631844 + 2399401 = 2938^2 + 1549^2 .

It is a cyclic number.

It is not a de Polignac number, because 11031245 - 2⁸ = 11030989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031247) 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 3 ways as a sum of consecutive naturals, for example, 1103120 + ... + 1103129.

It is an arithmetic number, because the mean of its divisors is an integer number (3309375).

Almost surely, 2^11031245 is an apocalyptic number.

It is an amenable number.

11031245 is a deficient number, since it is larger than the sum of its proper divisors (2206255).

11031245 is an equidigital number, since it uses as much as digits as its factorization.

11031245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206254.

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

The square root of 11031245 is about 3321.3318111866. The cubic root of 11031245 is about 222.6083804776.

Adding to 11031245 its reverse (54213011), we get a palindrome (65244256).

The spelling of 11031245 in words is "eleven million, thirty-one thousand, two hundred forty-five".