1197445559 has 2 divisors, whose sum is σ = 1197445560. Its totient is φ = 1197445558.

The previous prime is 1197445523. The next prime is 1197445591. The reversal of 1197445559 is 9555447911.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1197445559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1197445859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598722779 + 598722780.

It is an arithmetic number, because the mean of its divisors is an integer number (598722780).

Almost surely, 2^1197445559 is an apocalyptic number.

1197445559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1197445559 is an equidigital number, since it uses as much as digits as its factorization.

1197445559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134000, while the sum is 50.

The square root of 1197445559 is about 34604.1263290955. The cubic root of 1197445559 is about 1061.9040061221.

The spelling of 1197445559 in words is "one billion, one hundred ninety-seven million, four hundred forty-five thousand, five hundred fifty-nine".