112141409 has 4 divisors (see below), whose sum is σ = 113297604. Its totient is φ = 110985216.

The previous prime is 112141391. The next prime is 112141433. The reversal of 112141409 is 904141211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72199009 + 39942400 = 8497^2 + 6320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112141409 is a prime.

It is a super-2 number, since 2×112141409² = 25151391225010562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112141499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577952 + ... + 578145.

It is an arithmetic number, because the mean of its divisors is an integer number (28324401).

Almost surely, 2^112141409 is an apocalyptic number.

It is an amenable number.

112141409 is a deficient number, since it is larger than the sum of its proper divisors (1156195).

112141409 is an equidigital number, since it uses as much as digits as its factorization.

112141409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156194.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 112141409 is about 10589.6840840509. The cubic root of 112141409 is about 482.2312340685.

The spelling of 112141409 in words is "one hundred twelve million, one hundred forty-one thousand, four hundred nine".