1132003561 has 8 divisors (see below), whose sum is σ = 1234513280. Its totient is φ = 1031698512.

The previous prime is 1132003553. The next prime is 1132003571. The reversal of 1132003561 is 1653002311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1132003561 - 2³ = 1132003553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1132003571) 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 7 ways as a sum of consecutive naturals, for example, 550095 + ... + 552148.

It is an arithmetic number, because the mean of its divisors is an integer number (154314160).

Almost surely, 2^1132003561 is an apocalyptic number.

It is an amenable number.

1132003561 is a deficient number, since it is larger than the sum of its proper divisors (102509719).

1132003561 is a wasteful number, since it uses less digits than its factorization.

1132003561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102335.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1132003561 is about 33645.2606023493. The cubic root of 1132003561 is about 1042.1956696877.

Adding to 1132003561 its reverse (1653002311), we get a palindrome (2785005872).

The spelling of 1132003561 in words is "one billion, one hundred thirty-two million, three thousand, five hundred sixty-one".