126033445121 has 2 divisors, whose sum is σ = 126033445122. Its totient is φ = 126033445120.

The previous prime is 126033445063. The next prime is 126033445171. The reversal of 126033445121 is 121544330621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111933070096 + 14100375025 = 334564^2 + 118745^2 .

It is a cyclic number.

It is not a de Polignac number, because 126033445121 - 2¹⁴ = 126033428737 is a prime.

It is not a weakly prime, because it can be changed into another prime (126033445171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63016722560 + 63016722561.

It is an arithmetic number, because the mean of its divisors is an integer number (63016722561).

Almost surely, 2^126033445121 is an apocalyptic number.

It is an amenable number.

126033445121 is a deficient number, since it is larger than the sum of its proper divisors (1).

126033445121 is an equidigital number, since it uses as much as digits as its factorization.

126033445121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 126033445121 its reverse (121544330621), we get a palindrome (247577775742).

The spelling of 126033445121 in words is "one hundred twenty-six billion, thirty-three million, four hundred forty-five thousand, one hundred twenty-one".