1196371609 has 2 divisors, whose sum is σ = 1196371610. Its totient is φ = 1196371608.

The previous prime is 1196371591. The next prime is 1196371619. The reversal of 1196371609 is 9061736911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1003939225 + 192432384 = 31685^2 + 13872^2 .

It is a cyclic number.

It is not a de Polignac number, because 1196371609 - 2⁵ = 1196371577 is a prime.

It is not a weakly prime, because it can be changed into another prime (1196371619) 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 as a sum of consecutive naturals, namely, 598185804 + 598185805.

It is an arithmetic number, because the mean of its divisors is an integer number (598185805).

Almost surely, 2^1196371609 is an apocalyptic number.

It is an amenable number.

1196371609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1196371609 is an equidigital number, since it uses as much as digits as its factorization.

1196371609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 1196371609 is about 34588.6051901490. The cubic root of 1196371609 is about 1061.5864487720.

The spelling of 1196371609 in words is "one billion, one hundred ninety-six million, three hundred seventy-one thousand, six hundred nine".