112361009 has 4 divisors (see below), whose sum is σ = 112386420. Its totient is φ = 112335600.

The previous prime is 112360991. The next prime is 112361023. The reversal of 112361009 is 900163211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 900163211 = 463 ⋅1944197.

It can be written as a sum of positive squares in 2 ways, for example, as 77880625 + 34480384 = 8825^2 + 5872^2 .

It is a cyclic number.

It is not a de Polignac number, because 112361009 - 2²⁴ = 95583793 is a prime.

It is a super-3 number, since 3×112361009³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112361069) 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, 4154 + ... + 15555.

It is an arithmetic number, because the mean of its divisors is an integer number (28096605).

Almost surely, 2^112361009 is an apocalyptic number.

It is an amenable number.

112361009 is a deficient number, since it is larger than the sum of its proper divisors (25411).

112361009 is an equidigital number, since it uses as much as digits as its factorization.

112361009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25410.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 112361009 is about 10600.0475942328. The cubic root of 112361009 is about 482.5458039508.

The spelling of 112361009 in words is "one hundred twelve million, three hundred sixty-one thousand, nine".