111314728 has 32 divisors (see below), whose sum is σ = 239558400. Its totient is φ = 47500992.

The previous prime is 111314719. The next prime is 111314729. The reversal of 111314728 is 827413111.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 111314696 and 111314705.

It is not an unprimeable number, because it can be changed into a prime (111314729) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9226 + ... + 17542.

It is an arithmetic number, because the mean of its divisors is an integer number (7486200).

Almost surely, 2^111314728 is an apocalyptic number.

It is an amenable number.

111314728 is an abundant number, since it is smaller than the sum of its proper divisors (128243672).

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

111314728 is a wasteful number, since it uses less digits than its factorization.

111314728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8569 (or 8565 counting only the distinct ones).

The product of its digits is 1344, while the sum is 28.

The square root of 111314728 is about 10550.5795101501. The cubic root of 111314728 is about 481.0433439358.

Adding to 111314728 its reverse (827413111), we get a palindrome (938727839).

The spelling of 111314728 in words is "one hundred eleven million, three hundred fourteen thousand, seven hundred twenty-eight".