1178120263 has 2 divisors, whose sum is σ = 1178120264. Its totient is φ = 1178120262.

The previous prime is 1178120233. The next prime is 1178120269. The reversal of 1178120263 is 3620218711.

It is a strong prime.

It is an emirp because it is prime and its reverse (3620218711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1178120263 - 2⁵ = 1178120231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1178120269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 589060131 + 589060132.

It is an arithmetic number, because the mean of its divisors is an integer number (589060132).

Almost surely, 2^1178120263 is an apocalyptic number.

1178120263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1178120263 is an equidigital number, since it uses as much as digits as its factorization.

1178120263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1178120263 is about 34323.7565397495. The cubic root of 1178120263 is about 1056.1603886583.

Adding to 1178120263 its reverse (3620218711), we get a palindrome (4798338974).

The spelling of 1178120263 in words is "one billion, one hundred seventy-eight million, one hundred twenty thousand, two hundred sixty-three".