1130453021 has 2 divisors, whose sum is σ = 1130453022. Its totient is φ = 1130453020.

The previous prime is 1130452969. The next prime is 1130453053. The reversal of 1130453021 is 1203540311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1040772121 + 89680900 = 32261^2 + 9470^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130453021 - 2¹⁰ = 1130451997 is a prime.

It is a super-3 number, since 3×1130453021³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1130452984 and 1130453002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130453221) 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 as a sum of consecutive naturals, namely, 565226510 + 565226511.

It is an arithmetic number, because the mean of its divisors is an integer number (565226511).

Almost surely, 2^1130453021 is an apocalyptic number.

It is an amenable number.

1130453021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130453021 is an equidigital number, since it uses as much as digits as its factorization.

1130453021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1130453021 is about 33622.2102337131. The cubic root of 1130453021 is about 1041.7196098047.

Adding to 1130453021 its reverse (1203540311), we get a palindrome (2333993332).

The spelling of 1130453021 in words is "one billion, one hundred thirty million, four hundred fifty-three thousand, twenty-one".