1201169452589 has 2 divisors, whose sum is σ = 1201169452590. Its totient is φ = 1201169452588.

The previous prime is 1201169452573. The next prime is 1201169452619. The reversal of 1201169452589 is 9852549611021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 865774420900 + 335395031689 = 930470^2 + 579133^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201169452589 - 2⁴ = 1201169452573 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 1201169452589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201169452519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600584726294 + 600584726295.

It is an arithmetic number, because the mean of its divisors is an integer number (600584726295).

Almost surely, 2^{1201169452589} is an apocalyptic number.

It is an amenable number.

1201169452589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201169452589 is an equidigital number, since it uses as much as digits as its factorization.

1201169452589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 53.

The spelling of 1201169452589 in words is "one trillion, two hundred one billion, one hundred sixty-nine million, four hundred fifty-two thousand, five hundred eighty-nine".