1130005 has 4 divisors (see below), whose sum is σ = 1356012. Its totient is φ = 904000.

The previous prime is 1129991. The next prime is 1130011. The reversal of 1130005 is 5000311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 400689 + 729316 = 633^2 + 854^2 .

It is not a de Polignac number, because 1130005 - 2¹¹ = 1127957 is a prime.

It is a super-2 number, since 2×1130005² = 2553822600050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1129973 and 1130000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112996 + ... + 113005.

It is an arithmetic number, because the mean of its divisors is an integer number (339003).

2^1130005 is an apocalyptic number.

It is an amenable number.

1130005 is a deficient number, since it is larger than the sum of its proper divisors (226007).

1130005 is an equidigital number, since it uses as much as digits as its factorization.

1130005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226006.

The product of its (nonzero) digits is 15, while the sum is 10.

The square root of 1130005 is about 1063.0169330730. The cubic root of 1130005 is about 104.1581973559.

Adding to 1130005 its reverse (5000311), we get a palindrome (6130316).

The spelling of 1130005 in words is "one million, one hundred thirty thousand, five".