112006509 has 4 divisors (see below), whose sum is σ = 149342016. Its totient is φ = 74671004.

The previous prime is 112006493. The next prime is 112006537. The reversal of 112006509 is 905600211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112006509 - 2⁴ = 112006493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112046509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18667749 + ... + 18667754.

It is an arithmetic number, because the mean of its divisors is an integer number (37335504).

Almost surely, 2^112006509 is an apocalyptic number.

It is an amenable number.

112006509 is a deficient number, since it is larger than the sum of its proper divisors (37335507).

112006509 is an equidigital number, since it uses as much as digits as its factorization.

112006509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37335506.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 112006509 is about 10583.3127611349. The cubic root of 112006509 is about 482.0377905208.

The spelling of 112006509 in words is "one hundred twelve million, six thousand, five hundred nine".