111974375 has 20 divisors (see below), whose sum is σ = 141442224. Its totient is φ = 88608000.

The previous prime is 111974309. The next prime is 111974377. The reversal of 111974375 is 573479111.

It is not a de Polignac number, because 111974375 - 2¹⁴ = 111957991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111974377) 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 19 ways as a sum of consecutive naturals, for example, 59702 + ... + 61548.

Almost surely, 2^111974375 is an apocalyptic number.

111974375 is a deficient number, since it is larger than the sum of its proper divisors (29467849).

111974375 is an frugal number, since it uses more digits than its factorization.

111974375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964 (or 1949 counting only the distinct ones).

The product of its digits is 26460, while the sum is 38.

The square root of 111974375 is about 10581.7945075493. The cubic root of 111974375 is about 481.9916881885.

The spelling of 111974375 in words is "one hundred eleven million, nine hundred seventy-four thousand, three hundred seventy-five".