112727409 has 16 divisors (see below), whose sum is σ = 154586880. Its totient is φ = 73024640.

The previous prime is 112727387. The next prime is 112727441. The reversal of 112727409 is 904727211.

It is a cyclic number.

It is not a de Polignac number, because 112727409 - 2⁷ = 112727281 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 112727409.

It is not an unprimeable number, because it can be changed into a prime (112727309) 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 15 ways as a sum of consecutive naturals, for example, 31384 + ... + 34790.

It is an arithmetic number, because the mean of its divisors is an integer number (9661680).

Almost surely, 2^112727409 is an apocalyptic number.

It is an amenable number.

112727409 is a deficient number, since it is larger than the sum of its proper divisors (41859471).

112727409 is a wasteful number, since it uses less digits than its factorization.

112727409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3720.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 112727409 is about 10617.3164688635. The cubic root of 112727409 is about 483.0697488957.

It can be divided in two parts, 11272 and 7409, that added together give a palindrome (18681).

The spelling of 112727409 in words is "one hundred twelve million, seven hundred twenty-seven thousand, four hundred nine".