112542943 has 2 divisors, whose sum is σ = 112542944. Its totient is φ = 112542942.

The previous prime is 112542919. The next prime is 112542973. The reversal of 112542943 is 349245211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112542943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112542973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56271471 + 56271472.

It is an arithmetic number, because the mean of its divisors is an integer number (56271472).

Almost surely, 2^112542943 is an apocalyptic number.

112542943 is a deficient number, since it is larger than the sum of its proper divisors (1).

112542943 is an equidigital number, since it uses as much as digits as its factorization.

112542943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 31.

The square root of 112542943 is about 10608.6258770870. The cubic root of 112542943 is about 482.8061082085.

The spelling of 112542943 in words is "one hundred twelve million, five hundred forty-two thousand, nine hundred forty-three".