1197564959 has 2 divisors, whose sum is σ = 1197564960. Its totient is φ = 1197564958.

The previous prime is 1197564913. The next prime is 1197564971. The reversal of 1197564959 is 9594657911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1197564959 - 2¹² = 1197560863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1197564259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598782479 + 598782480.

It is an arithmetic number, because the mean of its divisors is an integer number (598782480).

Almost surely, 2^1197564959 is an apocalyptic number.

1197564959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1197564959 is an equidigital number, since it uses as much as digits as its factorization.

1197564959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3061800, while the sum is 56.

The square root of 1197564959 is about 34605.8515138697. The cubic root of 1197564959 is about 1061.9392998977.

The spelling of 1197564959 in words is "one billion, one hundred ninety-seven million, five hundred sixty-four thousand, nine hundred fifty-nine".