1130550 has 24 divisors (see below), whose sum is σ = 2804136. Its totient is φ = 301440.

The previous prime is 1130527. The next prime is 1130561. The reversal of 1130550 is 550311.

Added to its reverse (550311) it gives a triangular number (1680861 = T₁₈₃₃).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3619 + ... + 3918.

It is an arithmetic number, because the mean of its divisors is an integer number (116839).

2^1130550 is an apocalyptic number.

1130550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1130550 is an abundant number, since it is smaller than the sum of its proper divisors (1673586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1130550 is a wasteful number, since it uses less digits than its factorization.

1130550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7552 (or 7547 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 1130550 is about 1063.2732480412. The cubic root of 1130550 is about 104.1749397874.

Adding to 1130550 its reverse (550311), we get a palindrome (1680861).

The spelling of 1130550 in words is "one million, one hundred thirty thousand, five hundred fifty".