1171748453 has 2 divisors, whose sum is σ = 1171748454. Its totient is φ = 1171748452.

The previous prime is 1171748401. The next prime is 1171748467. The reversal of 1171748453 is 3548471711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 992376004 + 179372449 = 31502^2 + 13393^2 .

It is a cyclic number.

It is not a de Polignac number, because 1171748453 - 2⁸ = 1171748197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1171748453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1171778453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585874226 + 585874227.

It is an arithmetic number, because the mean of its divisors is an integer number (585874227).

Almost surely, 2^1171748453 is an apocalyptic number.

It is an amenable number.

1171748453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1171748453 is an equidigital number, since it uses as much as digits as its factorization.

1171748453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 41.

The square root of 1171748453 is about 34230.8114569316. The cubic root of 1171748453 is about 1054.2528804394.

The spelling of 1171748453 in words is "one billion, one hundred seventy-one million, seven hundred forty-eight thousand, four hundred fifty-three".