1132303661 has 4 divisors (see below), whose sum is σ = 1132584000. Its totient is φ = 1132023324.

The previous prime is 1132303643. The next prime is 1132303673. The reversal of 1132303661 is 1663032311.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1663032311 = 97 ⋅17144663.

It is a cyclic number.

It is not a de Polignac number, because 1132303661 - 2¹⁸ = 1132041517 is a prime.

It is a super-2 number, since 2×1132303661² = 2564223161428005842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1132303661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132303621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134021 + ... + 142218.

It is an arithmetic number, because the mean of its divisors is an integer number (283146000).

Almost surely, 2^1132303661 is an apocalyptic number.

It is an amenable number.

1132303661 is a deficient number, since it is larger than the sum of its proper divisors (280339).

1132303661 is an equidigital number, since it uses as much as digits as its factorization.

1132303661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280338.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1132303661 is about 33649.7200731299. The cubic root of 1132303661 is about 1042.2877587049.

Adding to 1132303661 its reverse (1663032311), we get a palindrome (2795335972).

The spelling of 1132303661 in words is "one billion, one hundred thirty-two million, three hundred three thousand, six hundred sixty-one".