111245225 has 48 divisors (see below), whose sum is σ = 171739008. Its totient is φ = 69603840.

The previous prime is 111245207. The next prime is 111245231. The reversal of 111245225 is 522542111.

It is a de Polignac number, because none of the positive numbers 2^k-111245225 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111245225.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 243197 + ... + 243653.

It is an arithmetic number, because the mean of its divisors is an integer number (3577896).

Almost surely, 2^111245225 is an apocalyptic number.

It is an amenable number.

111245225 is a deficient number, since it is larger than the sum of its proper divisors (60493783).

111245225 is a wasteful number, since it uses less digits than its factorization.

111245225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 589 counting only the distinct ones).

The product of its digits is 800, while the sum is 23.

The square root of 111245225 is about 10547.2851957269. The cubic root of 111245225 is about 480.9432046967.

Adding to 111245225 its reverse (522542111), we get a palindrome (633787336).

The spelling of 111245225 in words is "one hundred eleven million, two hundred forty-five thousand, two hundred twenty-five".