1172993963 has 2 divisors, whose sum is σ = 1172993964. Its totient is φ = 1172993962.

The previous prime is 1172993953. The next prime is 1172994019. The reversal of 1172993963 is 3693992711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1172993963 - 2⁸ = 1172993707 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1172993953) 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, 586496981 + 586496982.

It is an arithmetic number, because the mean of its divisors is an integer number (586496982).

Almost surely, 2^1172993963 is an apocalyptic number.

1172993963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1172993963 is an equidigital number, since it uses as much as digits as its factorization.

1172993963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 551124, while the sum is 50.

The square root of 1172993963 is about 34248.9994452393. Note that the first 3 decimals coincide. The cubic root of 1172993963 is about 1054.6262875273.

The spelling of 1172993963 in words is "one billion, one hundred seventy-two million, nine hundred ninety-three thousand, nine hundred sixty-three".