1132064561 has 8 divisors (see below), whose sum is σ = 1239990120. Its totient is φ = 1028731648.

The previous prime is 1132064551. The next prime is 1132064567. The reversal of 1132064561 is 1654602311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 197233936 + 934830625 = 14044^2 + 30575^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1132064561 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (1132064567) 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, 1147646 + ... + 1148631.

It is an arithmetic number, because the mean of its divisors is an integer number (154998765).

Almost surely, 2^1132064561 is an apocalyptic number.

It is an amenable number.

1132064561 is a deficient number, since it is larger than the sum of its proper divisors (107925559).

1132064561 is a wasteful number, since it uses less digits than its factorization.

1132064561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296323.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1132064561 is about 33646.1671071164. The cubic root of 1132064561 is about 1042.2143895328.

Adding to 1132064561 its reverse (1654602311), we get a palindrome (2786666872).

The spelling of 1132064561 in words is "one billion, one hundred thirty-two million, sixty-four thousand, five hundred sixty-one".