1196206987 has 2 divisors, whose sum is σ = 1196206988. Its totient is φ = 1196206986.

The previous prime is 1196206969. The next prime is 1196207017. The reversal of 1196206987 is 7896026911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1196206987 - 2¹¹ = 1196204939 is a prime.

It is a super-2 number, since 2×1196206987² = 2861822311495236338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1196206987.

It is not a weakly prime, because it can be changed into another prime (1196276987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598103493 + 598103494.

It is an arithmetic number, because the mean of its divisors is an integer number (598103494).

Almost surely, 2^1196206987 is an apocalyptic number.

1196206987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1196206987 is an equidigital number, since it uses as much as digits as its factorization.

1196206987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 1196206987 is about 34586.2253939339. The cubic root of 1196206987 is about 1061.5377547320.

The spelling of 1196206987 in words is "one billion, one hundred ninety-six million, two hundred six thousand, nine hundred eighty-seven".