1182141161 has 2 divisors, whose sum is σ = 1182141162. Its totient is φ = 1182141160.

The previous prime is 1182141113. The next prime is 1182141173. The reversal of 1182141161 is 1611412811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 763693225 + 418447936 = 27635^2 + 20456^2 .

It is a cyclic number.

It is not a de Polignac number, because 1182141161 - 2³⁰ = 108399337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1182141161.

It is not a weakly prime, because it can be changed into another prime (1182141101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 591070580 + 591070581.

It is an arithmetic number, because the mean of its divisors is an integer number (591070581).

Almost surely, 2^1182141161 is an apocalyptic number.

It is an amenable number.

1182141161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1182141161 is an equidigital number, since it uses as much as digits as its factorization.

1182141161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 26.

The square root of 1182141161 is about 34382.2797528029. The cubic root of 1182141161 is about 1057.3605748519.

Adding to 1182141161 its reverse (1611412811), we get a palindrome (2793553972).

The spelling of 1182141161 in words is "one billion, one hundred eighty-two million, one hundred forty-one thousand, one hundred sixty-one".