1112405 has 16 divisors (see below), whose sum is σ = 1568640. Its totient is φ = 741312.

The previous prime is 1112389. The next prime is 1112413. The reversal of 1112405 is 5042111.

It is a cyclic number.

It is not a de Polignac number, because 1112405 - 2⁴ = 1112389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1112405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 866 + ... + 1724.

It is an arithmetic number, because the mean of its divisors is an integer number (98040).

2^1112405 is an apocalyptic number.

It is an amenable number.

1112405 is a deficient number, since it is larger than the sum of its proper divisors (456235).

1112405 is an equidigital number, since it uses as much as digits as its factorization.

1112405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1112405 is about 1054.7061202060. The cubic root of 1112405 is about 103.6146054055.

Adding to 1112405 its reverse (5042111), we get a palindrome (6154516).

The spelling of 1112405 in words is "one million, one hundred twelve thousand, four hundred five".