111001230 has 96 divisors (see below), whose sum is σ = 306633600. Its totient is φ = 27781056.

The previous prime is 111001229. The next prime is 111001237. The reversal of 111001230 is 32100111.

It is a Harshad number since it is a multiple of its sum of digits (9).

111001230 is a modest number, since divided by 1230 gives 1110 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 237457 + ... + 237923.

It is an arithmetic number, because the mean of its divisors is an integer number (3194100).

Almost surely, 2^111001230 is an apocalyptic number.

111001230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111001230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153316800).

111001230 is an abundant number, since it is smaller than the sum of its proper divisors (195632370).

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

111001230 is a wasteful number, since it uses less digits than its factorization.

111001230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 111001230 is about 10535.7121259078. The cubic root of 111001230 is about 480.5913285146.

Adding to 111001230 its reverse (32100111), we get a palindrome (143101341).

The spelling of 111001230 in words is "one hundred eleven million, one thousand, two hundred thirty".