1112005 has 8 divisors (see below), whose sum is σ = 1380600. Its totient is φ = 858816.

The previous prime is 1112003. The next prime is 1112011. The reversal of 1112005 is 5002111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 367236 + 744769 = 606^2 + 863^2 .

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 1112005 - 2¹ = 1112003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111982 and 1112000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112003) 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, 3690 + ... + 3979.

It is an arithmetic number, because the mean of its divisors is an integer number (172575).

2^1112005 is an apocalyptic number.

It is an amenable number.

1112005 is a deficient number, since it is larger than the sum of its proper divisors (268595).

1112005 is an equidigital number, since it uses as much as digits as its factorization.

1112005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7703.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 1112005 is about 1054.5164768746. The cubic root of 1112005 is about 103.6021846262.

Adding to 1112005 its reverse (5002111), we get a palindrome (6114116).

It can be divided in two parts, 111 and 2005, that added together give a square (2116 = 46²).

The spelling of 1112005 in words is "one million, one hundred twelve thousand, five".