1179512797 has 2 divisors, whose sum is σ = 1179512798. Its totient is φ = 1179512796.

The previous prime is 1179512791. The next prime is 1179512849. The reversal of 1179512797 is 7972159711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 999255321 + 180257476 = 31611^2 + 13426^2 .

It is a cyclic number.

It is not a de Polignac number, because 1179512797 - 2¹⁹ = 1178988509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1179512797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1179512791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 589756398 + 589756399.

It is an arithmetic number, because the mean of its divisors is an integer number (589756399).

Almost surely, 2^1179512797 is an apocalyptic number.

It is an amenable number.

1179512797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1179512797 is an equidigital number, since it uses as much as digits as its factorization.

1179512797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 277830, while the sum is 49.

The square root of 1179512797 is about 34344.0358286559. The cubic root of 1179512797 is about 1056.5763507655.

The spelling of 1179512797 in words is "one billion, one hundred seventy-nine million, five hundred twelve thousand, seven hundred ninety-seven".