111444030 has 24 divisors (see below), whose sum is σ = 289754712. Its totient is φ = 29718384.

The previous prime is 111444029. The next prime is 111444041. The reversal of 111444030 is 30444111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111443994 and 111444012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 619044 + ... + 619223.

It is an arithmetic number, because the mean of its divisors is an integer number (12073113).

Almost surely, 2^111444030 is an apocalyptic number.

111444030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111444030 is an abundant number, since it is smaller than the sum of its proper divisors (178310682).

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

111444030 is a wasteful number, since it uses less digits than its factorization.

111444030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238280 (or 1238277 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 111444030 is about 10556.7054519864. The cubic root of 111444030 is about 481.2295301351.

Adding to 111444030 its reverse (30444111), we get a palindrome (141888141).

The spelling of 111444030 in words is "one hundred eleven million, four hundred forty-four thousand, thirty".