111973375 has 8 divisors (see below), whose sum is σ = 139742928. Its totient is φ = 89578600.

The previous prime is 111973357. The next prime is 111973399. The reversal of 111973375 is 573379111.

It is not a de Polignac number, because 111973375 - 2⁵ = 111973343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447769 + ... + 448018.

It is an arithmetic number, because the mean of its divisors is an integer number (17467866).

Almost surely, 2^111973375 is an apocalyptic number.

111973375 is a deficient number, since it is larger than the sum of its proper divisors (27769553).

111973375 is an frugal number, since it uses more digits than its factorization.

111973375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895802 (or 895792 counting only the distinct ones).

The product of its digits is 19845, while the sum is 37.

The square root of 111973375 is about 10581.7472564790. The cubic root of 111973375 is about 481.9902533569.

The spelling of 111973375 in words is "one hundred eleven million, nine hundred seventy-three thousand, three hundred seventy-five".