1194116197 has 2 divisors, whose sum is σ = 1194116198. Its totient is φ = 1194116196.

The previous prime is 1194116191. The next prime is 1194116239. The reversal of 1194116197 is 7916114911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1049371236 + 144744961 = 32394^2 + 12031^2 .

It is an emirp because it is prime and its reverse (7916114911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1194116197 - 2⁷ = 1194116069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1194116191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597058098 + 597058099.

It is an arithmetic number, because the mean of its divisors is an integer number (597058099).

Almost surely, 2^1194116197 is an apocalyptic number.

It is an amenable number.

1194116197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1194116197 is an equidigital number, since it uses as much as digits as its factorization.

1194116197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 40.

The square root of 1194116197 is about 34555.9864133554. The cubic root of 1194116197 is about 1060.9189245760.

The spelling of 1194116197 in words is "one billion, one hundred ninety-four million, one hundred sixteen thousand, one hundred ninety-seven".