1178496017 has 2 divisors, whose sum is σ = 1178496018. Its totient is φ = 1178496016.

The previous prime is 1178495999. The next prime is 1178496023. The reversal of 1178496017 is 7106948711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 913490176 + 265005841 = 30224^2 + 16279^2 .

It is a cyclic number.

It is not a de Polignac number, because 1178496017 - 2⁸ = 1178495761 is a prime.

It is not a weakly prime, because it can be changed into another prime (1178426017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 589248008 + 589248009.

It is an arithmetic number, because the mean of its divisors is an integer number (589248009).

Almost surely, 2^1178496017 is an apocalyptic number.

It is an amenable number.

1178496017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1178496017 is an equidigital number, since it uses as much as digits as its factorization.

1178496017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 44.

The square root of 1178496017 is about 34329.2297758048. The cubic root of 1178496017 is about 1056.2726619462.

The spelling of 1178496017 in words is "one billion, one hundred seventy-eight million, four hundred ninety-six thousand, seventeen".