111859942 has 16 divisors (see below), whose sum is σ = 173281680. Its totient is φ = 54123552.

The previous prime is 111859927. The next prime is 111859963. The reversal of 111859942 is 249958111.

It is a junction number, because it is equal to n+sod(n) for n = 111859895 and 111859904.

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, 3408 + ... + 15340.

It is an arithmetic number, because the mean of its divisors is an integer number (10830105).

Almost surely, 2^111859942 is an apocalyptic number.

111859942 is a deficient number, since it is larger than the sum of its proper divisors (61421738).

111859942 is a wasteful number, since it uses less digits than its factorization.

111859942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12087.

The product of its digits is 25920, while the sum is 40.

The square root of 111859942 is about 10576.3860557376. The cubic root of 111859942 is about 481.8274406260.

The spelling of 111859942 in words is "one hundred eleven million, eight hundred fifty-nine thousand, nine hundred forty-two".