1248206320133 has 2 divisors, whose sum is σ = 1248206320134. Its totient is φ = 1248206320132.

The previous prime is 1248206320091. The next prime is 1248206320157. The reversal of 1248206320133 is 3310236028421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 919943784769 + 328262535364 = 959137^2 + 572942^2 .

It is a cyclic number.

It is not a de Polignac number, because 1248206320133 - 2²⁰ = 1248205271557 is a prime.

It is a super-2 number, since 2×1248206320133² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1248206320093 and 1248206320102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1248206320733) 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, 624103160066 + 624103160067.

It is an arithmetic number, because the mean of its divisors is an integer number (624103160067).

Almost surely, 2^{1248206320133} is an apocalyptic number.

It is an amenable number.

1248206320133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248206320133 is an equidigital number, since it uses as much as digits as its factorization.

1248206320133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 1248206320133 in words is "one trillion, two hundred forty-eight billion, two hundred six million, three hundred twenty thousand, one hundred thirty-three".