111720027 has 8 divisors (see below), whose sum is σ = 149034816. Its totient is φ = 74442632.

The previous prime is 111720017. The next prime is 111720043. The reversal of 111720027 is 720027111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111720027 - 2⁶ = 111719963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111719985 and 111720012.

It is not an unprimeable number, because it can be changed into a prime (111720017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1413 + ... + 15014.

It is an arithmetic number, because the mean of its divisors is an integer number (18629352).

Almost surely, 2^111720027 is an apocalyptic number.

111720027 is a deficient number, since it is larger than the sum of its proper divisors (37314789).

111720027 is a wasteful number, since it uses less digits than its factorization.

111720027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18697.

The product of its (nonzero) digits is 196, while the sum is 21.

The square root of 111720027 is about 10569.7694866066. The cubic root of 111720027 is about 481.6264660491.

Adding to 111720027 its reverse (720027111), we get a palindrome (831747138).

It can be divided in two parts, 111 and 720027, that multiplied together give a palindrome (79922997).

The spelling of 111720027 in words is "one hundred eleven million, seven hundred twenty thousand, twenty-seven".