1197868559 has 2 divisors, whose sum is σ = 1197868560. Its totient is φ = 1197868558.

The previous prime is 1197868523. The next prime is 1197868561. The reversal of 1197868559 is 9558687911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1197868559 - 2¹² = 1197864463 is a prime.

Together with 1197868561, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1197868498 and 1197868507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1197868579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598934279 + 598934280.

It is an arithmetic number, because the mean of its divisors is an integer number (598934280).

Almost surely, 2^1197868559 is an apocalyptic number.

1197868559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1197868559 is an equidigital number, since it uses as much as digits as its factorization.

1197868559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5443200, while the sum is 59.

The square root of 1197868559 is about 34610.2377772820. The cubic root of 1197868559 is about 1062.0290312947.

The spelling of 1197868559 in words is "one billion, one hundred ninety-seven million, eight hundred sixty-eight thousand, five hundred fifty-nine".