1130545 has 8 divisors (see below), whose sum is σ = 1461096. Its totient is φ = 834816.

The previous prime is 1130527. The next prime is 1130561. The reversal of 1130545 is 5450311.

It can be written as a sum of positive squares in 4 ways, for example, as 576 + 1129969 = 24^2 + 1063^2 .

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 1130545 - 2⁷ = 1130417 is a prime.

1130545 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8632 + ... + 8761.

It is an arithmetic number, because the mean of its divisors is an integer number (182637).

2^1130545 is an apocalyptic number.

It is an amenable number.

1130545 is a deficient number, since it is larger than the sum of its proper divisors (330551).

1130545 is a wasteful number, since it uses less digits than its factorization.

1130545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17411.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1130545 is about 1063.2708968085. The cubic root of 1130545 is about 104.1747862115.

Adding to 1130545 its reverse (5450311), we get a palindrome (6580856).

The spelling of 1130545 in words is "one million, one hundred thirty thousand, five hundred forty-five".