111230252 has 48 divisors (see below), whose sum is σ = 240045120. Its totient is φ = 44009472.

The previous prime is 111230179. The next prime is 111230257. The reversal of 111230252 is 252032111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 111230252.

It is not an unprimeable number, because it can be changed into a prime (111230257) 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 15 ways as a sum of consecutive naturals, for example, 23024 + ... + 27432.

It is an arithmetic number, because the mean of its divisors is an integer number (5000940).

Almost surely, 2^111230252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111230252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120022560).

111230252 is an abundant number, since it is smaller than the sum of its proper divisors (128814868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111230252 is a wasteful number, since it uses less digits than its factorization.

111230252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4490 (or 4488 counting only the distinct ones).

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

The square root of 111230252 is about 10546.5753683364. The cubic root of 111230252 is about 480.9216262852.

Adding to 111230252 its reverse (252032111), we get a palindrome (363262363).

The spelling of 111230252 in words is "one hundred eleven million, two hundred thirty thousand, two hundred fifty-two".