1126072181329 has 2 divisors, whose sum is σ = 1126072181330. Its totient is φ = 1126072181328.

The previous prime is 1126072181281. The next prime is 1126072181363. The reversal of 1126072181329 is 9231812706211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1017879210000 + 108192971329 = 1008900^2 + 328927^2 .

It is a cyclic number.

It is not a de Polignac number, because 1126072181329 - 2²⁵ = 1126038626897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1126072181369) 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, 563036090664 + 563036090665.

It is an arithmetic number, because the mean of its divisors is an integer number (563036090665).

Almost surely, 2^{1126072181329} is an apocalyptic number.

It is an amenable number.

1126072181329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126072181329 is an equidigital number, since it uses as much as digits as its factorization.

1126072181329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 1126072181329 in words is "one trillion, one hundred twenty-six billion, seventy-two million, one hundred eighty-one thousand, three hundred twenty-nine".