112102143 has 4 divisors (see below), whose sum is σ = 149469528. Its totient is φ = 74734760.

The previous prime is 112102129. The next prime is 112102163. The reversal of 112102143 is 341201211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112102143 - 2¹² = 112098047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112102163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18683688 + ... + 18683693.

It is an arithmetic number, because the mean of its divisors is an integer number (37367382).

Almost surely, 2^112102143 is an apocalyptic number.

112102143 is a deficient number, since it is larger than the sum of its proper divisors (37367385).

112102143 is an equidigital number, since it uses as much as digits as its factorization.

112102143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37367384.

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

The square root of 112102143 is about 10587.8299476333. The cubic root of 112102143 is about 482.1749435264.

Adding to 112102143 its reverse (341201211), we get a palindrome (453303354).

The spelling of 112102143 in words is "one hundred twelve million, one hundred two thousand, one hundred forty-three".