1120345225 has 12 divisors (see below), whose sum is σ = 1389643200. Its totient is φ = 896008400.

The previous prime is 1120345207. The next prime is 1120345229. The reversal of 1120345225 is 5225430211.

It is not a de Polignac number, because 1120345225 - 2¹¹ = 1120343177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 1120345225.

It is not an unprimeable number, because it can be changed into a prime (1120345229) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 161580 + ... + 168370.

It is an arithmetic number, because the mean of its divisors is an integer number (115803600).

Almost surely, 2^1120345225 is an apocalyptic number.

It is an amenable number.

1120345225 is a deficient number, since it is larger than the sum of its proper divisors (269297975).

1120345225 is an equidigital number, since it uses as much as digits as its factorization.

1120345225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13400 (or 13395 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1120345225 is about 33471.5584489279. The cubic root of 1120345225 is about 1038.6055105267.

Adding to 1120345225 its reverse (5225430211), we get a palindrome (6345775436).

The spelling of 1120345225 in words is "one billion, one hundred twenty million, three hundred forty-five thousand, two hundred twenty-five".