112099609 has 2 divisors, whose sum is σ = 112099610. Its totient is φ = 112099608.

The previous prime is 112099607. The next prime is 112099613. The reversal of 112099609 is 906990211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104960025 + 7139584 = 10245^2 + 2672^2 .

It is a cyclic number.

It is not a de Polignac number, because 112099609 - 2¹ = 112099607 is a prime.

Together with 112099607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (112099607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56049804 + 56049805.

It is an arithmetic number, because the mean of its divisors is an integer number (56049805).

Almost surely, 2^112099609 is an apocalyptic number.

It is an amenable number.

112099609 is a deficient number, since it is larger than the sum of its proper divisors (1).

112099609 is an equidigital number, since it uses as much as digits as its factorization.

112099609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 37.

The square root of 112099609 is about 10587.7102812648. The cubic root of 112099609 is about 482.1713104097.

The spelling of 112099609 in words is "one hundred twelve million, ninety-nine thousand, six hundred nine".