112432109 has 2 divisors, whose sum is σ = 112432110. Its totient is φ = 112432108.

The previous prime is 112432091. The next prime is 112432129. The reversal of 112432109 is 901234211.

Together with previous prime (112432091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112254025 + 178084 = 10595^2 + 422^2 .

It is a cyclic number.

It is not a de Polignac number, because 112432109 - 2⁸ = 112431853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112432129) 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 as a sum of consecutive naturals, namely, 56216054 + 56216055.

It is an arithmetic number, because the mean of its divisors is an integer number (56216055).

Almost surely, 2^112432109 is an apocalyptic number.

It is an amenable number.

112432109 is a deficient number, since it is larger than the sum of its proper divisors (1).

112432109 is an equidigital number, since it uses as much as digits as its factorization.

112432109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 112432109 is about 10603.4008223777. The cubic root of 112432109 is about 482.6475645550.

It can be divided in two parts, 1124 and 32109, that added together give a palindrome (33233).

The spelling of 112432109 in words is "one hundred twelve million, four hundred thirty-two thousand, one hundred nine".