112129543 has 2 divisors, whose sum is σ = 112129544. Its totient is φ = 112129542.

The previous prime is 112129517. The next prime is 112129571. The reversal of 112129543 is 345921211.

It is an a-pointer prime, because the next prime (112129571) can be obtained adding 112129543 to its sum of digits (28).

It is a weak prime.

It is an emirp because it is prime and its reverse (345921211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112129543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112129513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56064771 + 56064772.

It is an arithmetic number, because the mean of its divisors is an integer number (56064772).

Almost surely, 2^112129543 is an apocalyptic number.

112129543 is a deficient number, since it is larger than the sum of its proper divisors (1).

112129543 is an equidigital number, since it uses as much as digits as its factorization.

112129543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 28.

The square root of 112129543 is about 10589.1238070012. The cubic root of 112129543 is about 482.2142247178.

The spelling of 112129543 in words is "one hundred twelve million, one hundred twenty-nine thousand, five hundred forty-three".