112112143 has 32 divisors (see below), whose sum is σ = 139345920. Its totient is φ = 88746240.

The previous prime is 112112129. The next prime is 112112177. The reversal of 112112143 is 341211211.

It is not a de Polignac number, because 112112143 - 2⁵ = 112112111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112112123) 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, 292530 + ... + 292912.

It is an arithmetic number, because the mean of its divisors is an integer number (4354560).

Almost surely, 2^112112143 is an apocalyptic number.

112112143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

112112143 is a deficient number, since it is larger than the sum of its proper divisors (27233777).

112112143 is a wasteful number, since it uses less digits than its factorization.

112112143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519.

The product of its digits is 48, while the sum is 16.

The square root of 112112143 is about 10588.3021774031. The cubic root of 112112143 is about 482.1892804693.

Adding to 112112143 its reverse (341211211), we get a palindrome (453323354).

It can be divided in two parts, 112112 and 143, that multiplied together give a square (16032016 = 4004²).

The spelling of 112112143 in words is "one hundred twelve million, one hundred twelve thousand, one hundred forty-three".