112142043 has 64 divisors (see below), whose sum is σ = 193536000. Its totient is φ = 63600768.

The previous prime is 112142039. The next prime is 112142057. The reversal of 112142043 is 340241211.

It is not a de Polignac number, because 112142043 - 2² = 112142039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112142033) 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 63 ways as a sum of consecutive naturals, for example, 233878 + ... + 234356.

It is an arithmetic number, because the mean of its divisors is an integer number (3024000).

Almost surely, 2^112142043 is an apocalyptic number.

112142043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

112142043 is a deficient number, since it is larger than the sum of its proper divisors (81393957).

112142043 is a wasteful number, since it uses less digits than its factorization.

112142043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 112142043 is about 10589.7140188015. The cubic root of 112142043 is about 482.2321428438.

Adding to 112142043 its reverse (340241211), we get a palindrome (452383254).

The spelling of 112142043 in words is "one hundred twelve million, one hundred forty-two thousand, forty-three".