126132521441 has 2 divisors, whose sum is σ = 126132521442. Its totient is φ = 126132521440.

The previous prime is 126132521399. The next prime is 126132521453. The reversal of 126132521441 is 144125231621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91059097600 + 35073423841 = 301760^2 + 187279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126132521441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126132521398 and 126132521407.

It is not a weakly prime, because it can be changed into another prime (126132521941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63066260720 + 63066260721.

It is an arithmetic number, because the mean of its divisors is an integer number (63066260721).

Almost surely, 2^126132521441 is an apocalyptic number.

It is an amenable number.

126132521441 is a deficient number, since it is larger than the sum of its proper divisors (1).

126132521441 is an equidigital number, since it uses as much as digits as its factorization.

126132521441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 32.

The spelling of 126132521441 in words is "one hundred twenty-six billion, one hundred thirty-two million, five hundred twenty-one thousand, four hundred forty-one".