111328125 has 40 divisors (see below), whose sum is σ = 195312480. Its totient is φ = 56250000.

The previous prime is 111328117. The next prime is 111328127. The reversal of 111328125 is 521823111.

It is not a de Polignac number, because 111328125 - 2³ = 111328117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111328095 and 111328104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111328127) 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 39 ways as a sum of consecutive naturals, for example, 5859366 + ... + 5859384.

It is an arithmetic number, because the mean of its divisors is an integer number (4882812).

Almost surely, 2^111328125 is an apocalyptic number.

111328125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111328125 is a deficient number, since it is larger than the sum of its proper divisors (83984355).

111328125 is an frugal number, since it uses more digits than its factorization.

111328125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67 (or 27 counting only the distinct ones).

The product of its digits is 480, while the sum is 24.

The square root of 111328125 is about 10551.2143850838. The cubic root of 111328125 is about 481.0626414096.

The spelling of 111328125 in words is "one hundred eleven million, three hundred twenty-eight thousand, one hundred twenty-five".