111285942 has 16 divisors (see below), whose sum is σ = 227308032. Its totient is φ = 36305960.

The previous prime is 111285929. The next prime is 111285947. The reversal of 111285942 is 249582111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111285947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197034 + ... + 197597.

It is an arithmetic number, because the mean of its divisors is an integer number (14206752).

Almost surely, 2^111285942 is an apocalyptic number.

111285942 is an abundant number, since it is smaller than the sum of its proper divisors (116022090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111285942 is a wasteful number, since it uses less digits than its factorization.

111285942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394683.

The product of its digits is 5760, while the sum is 33.

The square root of 111285942 is about 10549.2152314758. The cubic root of 111285942 is about 481.0018744083.

The spelling of 111285942 in words is "one hundred eleven million, two hundred eighty-five thousand, nine hundred forty-two".