126452365289 has 2 divisors, whose sum is σ = 126452365290. Its totient is φ = 126452365288.

The previous prime is 126452365253. The next prime is 126452365297. The reversal of 126452365289 is 982563254621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115821105625 + 10631259664 = 340325^2 + 103108^2 .

It is a cyclic number.

It is not a de Polignac number, because 126452365289 - 2²⁴ = 126435588073 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 126452365289.

It is not a weakly prime, because it can be changed into another prime (126452365219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63226182644 + 63226182645.

It is an arithmetic number, because the mean of its divisors is an integer number (63226182645).

Almost surely, 2^126452365289 is an apocalyptic number.

It is an amenable number.

126452365289 is a deficient number, since it is larger than the sum of its proper divisors (1).

126452365289 is an equidigital number, since it uses as much as digits as its factorization.

126452365289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6220800, while the sum is 53.

The spelling of 126452365289 in words is "one hundred twenty-six billion, four hundred fifty-two million, three hundred sixty-five thousand, two hundred eighty-nine".