1130453 has 4 divisors (see below), whose sum is σ = 1132620. Its totient is φ = 1128288.

The previous prime is 1130447. The next prime is 1130471. The reversal of 1130453 is 3540311.

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 935089 + 195364 = 967^2 + 442^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130453 - 2¹² = 1126357 is a prime.

It is a super-3 number, since 3×1130453³ = 4333899008554409031, which contains 333 as substring.

It is an Ulam 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 (1130413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233 + ... + 1521.

It is an arithmetic number, because the mean of its divisors is an integer number (283155).

2^1130453 is an apocalyptic number.

It is an amenable number.

1130453 is a deficient number, since it is larger than the sum of its proper divisors (2167).

1130453 is an equidigital number, since it uses as much as digits as its factorization.

1130453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1130453 is about 1063.2276332000. The cubic root of 1130453 is about 104.1719603354.

Adding to 1130453 its reverse (3540311), we get a palindrome (4670764).

The spelling of 1130453 in words is "one million, one hundred thirty thousand, four hundred fifty-three".