112509897 has 4 divisors (see below), whose sum is σ = 150013200. Its totient is φ = 75006596.

The previous prime is 112509889. The next prime is 112509899. The reversal of 112509897 is 798905211.

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 112509897 - 2³ = 112509889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112509899) 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, 18751647 + ... + 18751652.

It is an arithmetic number, because the mean of its divisors is an integer number (37503300).

Almost surely, 2^112509897 is an apocalyptic number.

It is an amenable number.

112509897 is a deficient number, since it is larger than the sum of its proper divisors (37503303).

112509897 is an equidigital number, since it uses as much as digits as its factorization.

112509897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37503302.

The product of its (nonzero) digits is 45360, while the sum is 42.

The square root of 112509897 is about 10607.0682565919. The cubic root of 112509897 is about 482.7588481076.

The spelling of 112509897 in words is "one hundred twelve million, five hundred nine thousand, eight hundred ninety-seven".