1196261543 has 2 divisors, whose sum is σ = 1196261544. Its totient is φ = 1196261542.

The previous prime is 1196261509. The next prime is 1196261557. The reversal of 1196261543 is 3451626911.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1196261543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1196261497 and 1196261506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1196260543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598130771 + 598130772.

It is an arithmetic number, because the mean of its divisors is an integer number (598130772).

Almost surely, 2^1196261543 is an apocalyptic number.

1196261543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1196261543 is an equidigital number, since it uses as much as digits as its factorization.

1196261543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 38.

The square root of 1196261543 is about 34587.0140804320. The cubic root of 1196261543 is about 1061.5538925114.

The spelling of 1196261543 in words is "one billion, one hundred ninety-six million, two hundred sixty-one thousand, five hundred forty-three".