1240301320133 has 2 divisors, whose sum is σ = 1240301320134. Its totient is φ = 1240301320132.

The previous prime is 1240301320081. The next prime is 1240301320261. The reversal of 1240301320133 is 3310231030421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 819881353729 + 420419966404 = 905473^2 + 648398^2 .

It is a cyclic number.

It is not a de Polignac number, because 1240301320133 - 2¹⁴ = 1240301303749 is a prime.

It is a super-2 number, since 2×1240301320133² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1240301320099 and 1240301320108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1240301320733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620150660066 + 620150660067.

It is an arithmetic number, because the mean of its divisors is an integer number (620150660067).

Almost surely, 2^{1240301320133} is an apocalyptic number.

It is an amenable number.

1240301320133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240301320133 is an equidigital number, since it uses as much as digits as its factorization.

1240301320133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1240301320133 its reverse (3310231030421), we get a palindrome (4550532350554).

The spelling of 1240301320133 in words is "one trillion, two hundred forty billion, three hundred one million, three hundred twenty thousand, one hundred thirty-three".