111134142 has 24 divisors (see below), whose sum is σ = 275189616. Its totient is φ = 31752576.

The previous prime is 111134141. The next prime is 111134143. The reversal of 111134142 is 241431111.

It is an interprime number because it is at equal distance from previous prime (111134141) and next prime (111134143).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111134141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 440883 + ... + 441134.

It is an arithmetic number, because the mean of its divisors is an integer number (11466234).

Almost surely, 2^111134142 is an apocalyptic number.

111134142 is an abundant number, since it is smaller than the sum of its proper divisors (164055474).

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

111134142 is a wasteful number, since it uses less digits than its factorization.

111134142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882032 (or 882029 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 111134142 is about 10542.0179282716. The cubic root of 111134142 is about 480.7830707640.

Adding to 111134142 its reverse (241431111), we get a palindrome (352565253).

It can be divided in two parts, 1111 and 34142, that added together give a palindrome (35253).

The spelling of 111134142 in words is "one hundred eleven million, one hundred thirty-four thousand, one hundred forty-two".