111270042 has 96 divisors (see below), whose sum is σ = 283046400. Its totient is φ = 31280256.

The previous prime is 111270041. The next prime is 111270043. The reversal of 111270042 is 240072111.

It is an interprime number because it is at equal distance from previous prime (111270041) and next prime (111270043).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111269997 and 111270024.

It is not an unprimeable number, because it can be changed into a prime (111270041) 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 47 ways as a sum of consecutive naturals, for example, 128503 + ... + 129365.

It is an arithmetic number, because the mean of its divisors is an integer number (2948400).

Almost surely, 2^111270042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111270042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141523200).

111270042 is an abundant number, since it is smaller than the sum of its proper divisors (171776358).

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

111270042 is a wasteful number, since it uses less digits than its factorization.

111270042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 111270042 is about 10548.4615939956. The cubic root of 111270042 is about 480.9789655726.

The spelling of 111270042 in words is "one hundred eleven million, two hundred seventy thousand, forty-two".