111950225 has 6 divisors (see below), whose sum is σ = 138818310. Its totient is φ = 89560160.

The previous prime is 111950161. The next prime is 111950227. The reversal of 111950225 is 522059111.

It can be written as a sum of positive squares in 3 ways, for example, as 10182481 + 101767744 = 3191^2 + 10088^2 .

It is not a de Polignac number, because 111950225 - 2⁶ = 111950161 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111950194 and 111950203.

It is not an unprimeable number, because it can be changed into a prime (111950227) 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 5 ways as a sum of consecutive naturals, for example, 2238980 + ... + 2239029.

It is an arithmetic number, because the mean of its divisors is an integer number (23136385).

Almost surely, 2^111950225 is an apocalyptic number.

It is an amenable number.

111950225 is a deficient number, since it is larger than the sum of its proper divisors (26868085).

111950225 is an equidigital number, since it uses as much as digits as its factorization.

111950225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4478019 (or 4478014 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 111950225 is about 10580.6533352152. The cubic root of 111950225 is about 481.9570346165.

The spelling of 111950225 in words is "one hundred eleven million, nine hundred fifty thousand, two hundred twenty-five".