133252788121 has 2 divisors, whose sum is σ = 133252788122. Its totient is φ = 133252788120.

The previous prime is 133252788101. The next prime is 133252788131. The reversal of 133252788121 is 121887252331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117892656025 + 15360132096 = 343355^2 + 123936^2 .

It is a cyclic number.

It is not a de Polignac number, because 133252788121 - 2¹³ = 133252779929 is a prime.

It is not a weakly prime, because it can be changed into another prime (133252788101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66626394060 + 66626394061.

It is an arithmetic number, because the mean of its divisors is an integer number (66626394061).

Almost surely, 2^133252788121 is an apocalyptic number.

It is an amenable number.

133252788121 is a deficient number, since it is larger than the sum of its proper divisors (1).

133252788121 is an equidigital number, since it uses as much as digits as its factorization.

133252788121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 43.

The spelling of 133252788121 in words is "one hundred thirty-three billion, two hundred fifty-two million, seven hundred eighty-eight thousand, one hundred twenty-one".