1113245225 has 6 divisors (see below), whose sum is σ = 1380424110.
Its totient is φ = 890596160.
The previous prime is 1113245191. The next prime is 1113245249. The reversal of 1113245225 is 5225423111.
It can be written as a sum of positive squares in 3 ways, for example, as 349054489 + 764190736 = 18683^2 + 27644^2
It is a de Polignac number, because none of the positive numbers 2k-1113245225 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1113245194 and 1113245203.
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 5 ways as a sum of consecutive naturals, for example, 22264880 + ... + 22264929.
It is an arithmetic number, because the mean of its divisors is an integer number (230070685).
Almost surely, 21113245225 is an apocalyptic number.
It is an amenable number.
1113245225 is a deficient number, since it is larger than the sum of its proper divisors (267178885).
1113245225 is an equidigital number, since it uses as much as digits as its factorization.
1113245225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44529819 (or 44529814 counting only the distinct ones).
The product of its digits is 2400, while the sum is 26.
The square root of 1113245225 is about 33365.3296851687.
The cubic root of 1113245225 is about 1036.4068633571.
Adding to 1113245225 its reverse (5225423111), we get a palindrome (6338668336).
The spelling of 1113245225 in words is "one billion, one hundred thirteen million, two hundred forty-five thousand, two hundred twenty-five".