112271409 has 12 divisors (see below), whose sum is σ = 165941776. Its totient is φ = 73106712.

The previous prime is 112271387. The next prime is 112271413. The reversal of 112271409 is 904172211.

It is not a de Polignac number, because 112271409 - 2¹² = 112267313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (112271449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144667 + ... + 145440.

Almost surely, 2^112271409 is an apocalyptic number.

It is an amenable number.

112271409 is a deficient number, since it is larger than the sum of its proper divisors (53670367).

112271409 is a wasteful number, since it uses less digits than its factorization.

112271409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290156 (or 290153 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 112271409 is about 10595.8203552155. The cubic root of 112271409 is about 482.4175043977.

The spelling of 112271409 in words is "one hundred twelve million, two hundred seventy-one thousand, four hundred nine".