111032142 has 64 divisors (see below), whose sum is σ = 252370944. Its totient is φ = 32325120.

The previous prime is 111032113. The next prime is 111032147. The reversal of 111032142 is 241230111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111032147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113158 + ... + 114134.

It is an arithmetic number, because the mean of its divisors is an integer number (3943296).

Almost surely, 2^111032142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111032142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126185472).

111032142 is an abundant number, since it is smaller than the sum of its proper divisors (141338802).

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

111032142 is a wasteful number, since it uses less digits than its factorization.

111032142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 111032142 is about 10537.1790342577. The cubic root of 111032142 is about 480.6359366098.

Adding to 111032142 its reverse (241230111), we get a palindrome (352262253).

The spelling of 111032142 in words is "one hundred eleven million, thirty-two thousand, one hundred forty-two".