111422879 has 8 divisors (see below), whose sum is σ = 123107040. Its totient is φ = 100308736.

The previous prime is 111422867. The next prime is 111422881. The reversal of 111422879 is 978224111.

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 111422879 - 2⁴ = 111422863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111422819) 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, 142094 + ... + 142875.

It is an arithmetic number, because the mean of its divisors is an integer number (15388380).

Almost surely, 2^111422879 is an apocalyptic number.

111422879 is a deficient number, since it is larger than the sum of its proper divisors (11684161).

111422879 is a wasteful number, since it uses less digits than its factorization.

111422879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285009.

The product of its digits is 8064, while the sum is 35.

The square root of 111422879 is about 10555.7036241077. The cubic root of 111422879 is about 481.1990839707.

The spelling of 111422879 in words is "one hundred eleven million, four hundred twenty-two thousand, eight hundred seventy-nine".