112131143 has 16 divisors (see below), whose sum is σ = 118457856. Its totient is φ = 106028160.

The previous prime is 112131121. The next prime is 112131157. The reversal of 112131143 is 341131211.

It is a cyclic number.

It is not a de Polignac number, because 112131143 - 2¹⁰ = 112130119 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 (112131163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228128 + ... + 228618.

It is an arithmetic number, because the mean of its divisors is an integer number (7403616).

Almost surely, 2^112131143 is an apocalyptic number.

112131143 is a deficient number, since it is larger than the sum of its proper divisors (6326713).

112131143 is a wasteful number, since it uses less digits than its factorization.

112131143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694.

The product of its digits is 72, while the sum is 17.

The square root of 112131143 is about 10589.1993559475. The cubic root of 112131143 is about 482.2165183122.

Adding to 112131143 its reverse (341131211), we get a palindrome (453262354).

The spelling of 112131143 in words is "one hundred twelve million, one hundred thirty-one thousand, one hundred forty-three".