112690409 has 8 divisors (see below), whose sum is σ = 126635712. Its totient is φ = 99498960.

The previous prime is 112690393. The next prime is 112690423. The reversal of 112690409 is 904096211.

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

It is a cyclic number.

It is not a de Polignac number, because 112690409 - 2⁴ = 112690393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112690439) 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, 188147 + ... + 188744.

It is an arithmetic number, because the mean of its divisors is an integer number (15829464).

Almost surely, 2^112690409 is an apocalyptic number.

It is an amenable number.

112690409 is a deficient number, since it is larger than the sum of its proper divisors (13945303).

112690409 is a wasteful number, since it uses less digits than its factorization.

112690409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376927.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 112690409 is about 10615.5738893382. The cubic root of 112690409 is about 483.0168911902.

The spelling of 112690409 in words is "one hundred twelve million, six hundred ninety thousand, four hundred nine".