112513209 has 8 divisors (see below), whose sum is σ = 150072000. Its totient is φ = 74981616.

The previous prime is 112513187. The next prime is 112513211. The reversal of 112513209 is 902315211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112513209 - 2⁷ = 112513081 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112513249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6667 + ... + 16415.

It is an arithmetic number, because the mean of its divisors is an integer number (18759000).

Almost surely, 2^112513209 is an apocalyptic number.

It is an amenable number.

112513209 is a deficient number, since it is larger than the sum of its proper divisors (37558791).

112513209 is an equidigital number, since it uses as much as digits as its factorization.

112513209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13599.

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

The square root of 112513209 is about 10607.2243777531. The cubic root of 112513209 is about 482.7635851179.

The spelling of 112513209 in words is "one hundred twelve million, five hundred thirteen thousand, two hundred nine".