1195811041 has 2 divisors, whose sum is σ = 1195811042. Its totient is φ = 1195811040.

The previous prime is 1195811033. The next prime is 1195811047. The reversal of 1195811041 is 1401185911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 944271441 + 251539600 = 30729^2 + 15860^2 .

It is an emirp because it is prime and its reverse (1401185911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1195811041 - 2³ = 1195811033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1195810994 and 1195811012.

It is not a weakly prime, because it can be changed into another prime (1195811047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597905520 + 597905521.

It is an arithmetic number, because the mean of its divisors is an integer number (597905521).

Almost surely, 2^1195811041 is an apocalyptic number.

It is an amenable number.

1195811041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1195811041 is an equidigital number, since it uses as much as digits as its factorization.

1195811041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 31.

The square root of 1195811041 is about 34580.5008783852. The cubic root of 1195811041 is about 1061.4206183681.

Adding to 1195811041 its reverse (1401185911), we get a palindrome (2596996952).

The spelling of 1195811041 in words is "one billion, one hundred ninety-five million, eight hundred eleven thousand, forty-one".