111685942 has 8 divisors (see below), whose sum is σ = 168638832. Its totient is φ = 55473000.

The previous prime is 111685939. The next prime is 111685949. The reversal of 111685942 is 249586111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111685949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184609 + ... + 185212.

It is an arithmetic number, because the mean of its divisors is an integer number (21079854).

Almost surely, 2^111685942 is an apocalyptic number.

111685942 is a deficient number, since it is larger than the sum of its proper divisors (56952890).

111685942 is a wasteful number, since it uses less digits than its factorization.

111685942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369974.

The product of its digits is 17280, while the sum is 37.

The square root of 111685942 is about 10568.1569821800. The cubic root of 111685942 is about 481.5774807767.

The spelling of 111685942 in words is "one hundred eleven million, six hundred eighty-five thousand, nine hundred forty-two".