1196666971 has 4 divisors (see below), whose sum is σ = 1202867512. Its totient is φ = 1190466432.

The previous prime is 1196666963. The next prime is 1196667001. The reversal of 1196666971 is 1796666911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1796666911 = 13 ⋅138205147.

It is a cyclic number.

It is not a de Polignac number, because 1196666971 - 2³ = 1196666963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1196664971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3099981 + ... + 3100366.

It is an arithmetic number, because the mean of its divisors is an integer number (300716878).

Almost surely, 2^1196666971 is an apocalyptic number.

1196666971 is a deficient number, since it is larger than the sum of its proper divisors (6200541).

1196666971 is an equidigital number, since it uses as much as digits as its factorization.

1196666971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6200540.

The product of its digits is 734832, while the sum is 52.

The square root of 1196666971 is about 34592.8745697723. The cubic root of 1196666971 is about 1061.6738035967.

The spelling of 1196666971 in words is "one billion, one hundred ninety-six million, six hundred sixty-six thousand, nine hundred seventy-one".