1132245161 has 2 divisors, whose sum is σ = 1132245162. Its totient is φ = 1132245160.

The previous prime is 1132245157. The next prime is 1132245227. The reversal of 1132245161 is 1615422311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 792985600 + 339259561 = 28160^2 + 18419^2 .

It is a cyclic number.

It is not a de Polignac number, because 1132245161 - 2² = 1132245157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1132245161.

It is not a weakly prime, because it can be changed into another prime (1132245151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566122580 + 566122581.

It is an arithmetic number, because the mean of its divisors is an integer number (566122581).

Almost surely, 2^1132245161 is an apocalyptic number.

It is an amenable number.

1132245161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1132245161 is an equidigital number, since it uses as much as digits as its factorization.

1132245161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 26.

The square root of 1132245161 is about 33648.8508124720. The cubic root of 1132245161 is about 1042.2698086072.

Adding to 1132245161 its reverse (1615422311), we get a palindrome (2747667472).

The spelling of 1132245161 in words is "one billion, one hundred thirty-two million, two hundred forty-five thousand, one hundred sixty-one".