1130551 has 8 divisors (see below), whose sum is σ = 1214784. Its totient is φ = 1048320.

The previous prime is 1130527. The next prime is 1130561. The reversal of 1130551 is 1550311.

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 1130551 - 2⁹ = 1130039 is a prime.

It is a Duffinian number.

1130551 is a lucky 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786 + ... + 1696.

It is an arithmetic number, because the mean of its divisors is an integer number (151848).

2^1130551 is an apocalyptic number.

1130551 is a deficient number, since it is larger than the sum of its proper divisors (84233).

1130551 is an equidigital number, since it uses as much as digits as its factorization.

1130551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 1130551 is about 1063.2737182871. The cubic root of 1130551 is about 104.1749705025.

Adding to 1130551 its reverse (1550311), we get a palindrome (2680862).

It can be divided in two parts, 1130 and 551, that added together give a square (1681 = 41²).

The spelling of 1130551 in words is "one million, one hundred thirty thousand, five hundred fifty-one".