1173934891 has 2 divisors, whose sum is σ = 1173934892. Its totient is φ = 1173934890.

The previous prime is 1173934849. The next prime is 1173934897. The reversal of 1173934891 is 1984393711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1173934891 - 2¹¹ = 1173932843 is a prime.

It is not a weakly prime, because it can be changed into another prime (1173934897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586967445 + 586967446.

It is an arithmetic number, because the mean of its divisors is an integer number (586967446).

Almost surely, 2^1173934891 is an apocalyptic number.

1173934891 is a deficient number, since it is larger than the sum of its proper divisors (1).

1173934891 is an equidigital number, since it uses as much as digits as its factorization.

1173934891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 46.

The square root of 1173934891 is about 34262.7332680859. The cubic root of 1173934891 is about 1054.9082049165.

The spelling of 1173934891 in words is "one billion, one hundred seventy-three million, nine hundred thirty-four thousand, eight hundred ninety-one".