1172713726097 has 2 divisors, whose sum is σ = 1172713726098. Its totient is φ = 1172713726096.

The previous prime is 1172713726049. The next prime is 1172713726099. The reversal of 1172713726097 is 7906273172711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1122902628241 + 49811097856 = 1059671^2 + 223184^2 .

It is a cyclic number.

It is not a de Polignac number, because 1172713726097 - 2¹⁶ = 1172713660561 is a prime.

Together with 1172713726099, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1172713726099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586356863048 + 586356863049.

It is an arithmetic number, because the mean of its divisors is an integer number (586356863049).

Almost surely, 2^{1172713726097} is an apocalyptic number.

It is an amenable number.

1172713726097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1172713726097 is an equidigital number, since it uses as much as digits as its factorization.

1172713726097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555848, while the sum is 53.

The spelling of 1172713726097 in words is "one trillion, one hundred seventy-two billion, seven hundred thirteen million, seven hundred twenty-six thousand, ninety-seven".