112880209 has 8 divisors (see below), whose sum is σ = 125755560. Its totient is φ = 100603776.

The previous prime is 112880179. The next prime is 112880219. The reversal of 112880209 is 902088211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25401600 + 87478609 = 5040^2 + 9353^2 .

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

It is not a de Polignac number, because 112880209 - 2¹⁷ = 112749137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112880219) 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, 149332 + ... + 150085.

It is an arithmetic number, because the mean of its divisors is an integer number (15719445).

Almost surely, 2^112880209 is an apocalyptic number.

It is an amenable number.

112880209 is a deficient number, since it is larger than the sum of its proper divisors (12875351).

112880209 is a wasteful number, since it uses less digits than its factorization.

112880209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299459.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 112880209 is about 10624.5098239872. The cubic root of 112880209 is about 483.2879145061.

The spelling of 112880209 in words is "one hundred twelve million, eight hundred eighty thousand, two hundred nine".