111123397 has 8 divisors (see below), whose sum is σ = 138543552. Its totient is φ = 86589600.

The previous prime is 111123377. The next prime is 111123403. The reversal of 111123397 is 793321111.

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 111123397 - 2⁷ = 111123269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111123317) 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 7 ways as a sum of consecutive naturals, for example, 721504 + ... + 721657.

It is an arithmetic number, because the mean of its divisors is an integer number (17317944).

Almost surely, 2^111123397 is an apocalyptic number.

It is an amenable number.

111123397 is a deficient number, since it is larger than the sum of its proper divisors (27420155).

111123397 is a wasteful number, since it uses less digits than its factorization.

111123397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443179.

The product of its digits is 1134, while the sum is 28.

The square root of 111123397 is about 10541.5082886653. The cubic root of 111123397 is about 480.7675754341.

The spelling of 111123397 in words is "one hundred eleven million, one hundred twenty-three thousand, three hundred ninety-seven".