1173320803 has 2 divisors, whose sum is σ = 1173320804. Its totient is φ = 1173320802.

The previous prime is 1173320779. The next prime is 1173320809. The reversal of 1173320803 is 3080233711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1173320803 - 2¹³ = 1173312611 is a prime.

It is not a weakly prime, because it can be changed into another prime (1173320809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586660401 + 586660402.

It is an arithmetic number, because the mean of its divisors is an integer number (586660402).

Almost surely, 2^1173320803 is an apocalyptic number.

1173320803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1173320803 is an equidigital number, since it uses as much as digits as its factorization.

1173320803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1173320803 is about 34253.7706391574. The cubic root of 1173320803 is about 1054.7242312101.

The spelling of 1173320803 in words is "one billion, one hundred seventy-three million, three hundred twenty thousand, eight hundred three".