1126424459221 has 2 divisors, whose sum is σ = 1126424459222. Its totient is φ = 1126424459220.

The previous prime is 1126424459213. The next prime is 1126424459263. The reversal of 1126424459221 is 1229544246211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1123960428900 + 2464030321 = 1060170^2 + 49639^2 .

It is a cyclic number.

It is not a de Polignac number, because 1126424459221 - 2³ = 1126424459213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1126424456221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563212229610 + 563212229611.

It is an arithmetic number, because the mean of its divisors is an integer number (563212229611).

Almost surely, 2^{1126424459221} is an apocalyptic number.

It is an amenable number.

1126424459221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126424459221 is an equidigital number, since it uses as much as digits as its factorization.

1126424459221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 43.

The spelling of 1126424459221 in words is "one trillion, one hundred twenty-six billion, four hundred twenty-four million, four hundred fifty-nine thousand, two hundred twenty-one".