1160161 has 2 divisors, whose sum is σ = 1160162. Its totient is φ = 1160160.

The previous prime is 1160147. The next prime is 1160167. The reversal of 1160161 is 1610611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1089936 + 70225 = 1044^2 + 265^2 .

It is a cyclic number.

It is not a de Polignac number, because 1160161 - 2⁵ = 1160129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1160167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580080 + 580081.

It is an arithmetic number, because the mean of its divisors is an integer number (580081).

2^1160161 is an apocalyptic number.

It is an amenable number.

1160161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1160161 is an equidigital number, since it uses as much as digits as its factorization.

1160161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 1160161 is about 1077.1077012073. The cubic root of 1160161 is about 105.0766183034.

Adding to 1160161 its reverse (1610611), we get a palindrome (2770772).

The spelling of 1160161 in words is "one million, one hundred sixty thousand, one hundred sixty-one".