1132443521 has 8 divisors (see below), whose sum is σ = 1261678464. Its totient is φ = 1007589520.

The previous prime is 1132443511. The next prime is 1132443523. The reversal of 1132443521 is 1253442311.

It is a happy number.

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 1132443521 - 2¹⁸ = 1132181377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1132443523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094690 + ... + 1095723.

It is an arithmetic number, because the mean of its divisors is an integer number (157709808).

Almost surely, 2^1132443521 is an apocalyptic number.

1132443521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1132443521 is a deficient number, since it is larger than the sum of its proper divisors (129234943).

1132443521 is a wasteful number, since it uses less digits than its factorization.

1132443521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190471.

The product of its digits is 2880, while the sum is 26.

The square root of 1132443521 is about 33651.7981837524. The cubic root of 1132443521 is about 1042.3306707404.

Adding to 1132443521 its reverse (1253442311), we get a palindrome (2385885832).

It can be divided in two parts, 11324 and 43521, that added together give a palindrome (54845).

The spelling of 1132443521 in words is "one billion, one hundred thirty-two million, four hundred forty-three thousand, five hundred twenty-one".