1132530421 has 4 divisors (see below), whose sum is σ = 1235487744. Its totient is φ = 1029573100.

The previous prime is 1132530403. The next prime is 1132530433. The reversal of 1132530421 is 1240352311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1132530421 - 2⁵ = 1132530389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1132530392 and 1132530401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132530401) 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, 51478645 + ... + 51478666.

It is an arithmetic number, because the mean of its divisors is an integer number (308871936).

Almost surely, 2^1132530421 is an apocalyptic number.

1132530421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1132530421 is a deficient number, since it is larger than the sum of its proper divisors (102957323).

1132530421 is a wasteful number, since it uses less digits than its factorization.

1132530421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102957322.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1132530421 is about 33653.0893232702. The cubic root of 1132530421 is about 1042.3573317369.

Adding to 1132530421 its reverse (1240352311), we get a palindrome (2372882732).

The spelling of 1132530421 in words is "one billion, one hundred thirty-two million, five hundred thirty thousand, four hundred twenty-one".