1130511 has 4 divisors (see below), whose sum is σ = 1507352. Its totient is φ = 753672.

The previous prime is 1130501. The next prime is 1130527. The reversal of 1130511 is 1150311.

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

It is not a de Polignac number, because 1130511 - 2⁶ = 1130447 is a prime.

It is a super-2 number, since 2×1130511² = 2556110242242, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188416 + ... + 188421.

It is an arithmetic number, because the mean of its divisors is an integer number (376838).

2^1130511 is an apocalyptic number.

1130511 is a deficient number, since it is larger than the sum of its proper divisors (376841).

1130511 is an equidigital number, since it uses as much as digits as its factorization.

1130511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376840.

The product of its (nonzero) digits is 15, while the sum is 12.

The square root of 1130511 is about 1063.2549082887. The cubic root of 1130511 is about 104.1737418839.

Adding to 1130511 its reverse (1150311), we get a palindrome (2280822).

The spelling of 1130511 in words is "one million, one hundred thirty thousand, five hundred eleven".