1243301413027 has 2 divisors, whose sum is σ = 1243301413028. Its totient is φ = 1243301413026.

The previous prime is 1243301413019. The next prime is 1243301413037. The reversal of 1243301413027 is 7203141033421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1243301413027 - 2³ = 1243301413019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1243301413027.

It is not a weakly prime, because it can be changed into another prime (1243301413037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621650706513 + 621650706514.

It is an arithmetic number, because the mean of its divisors is an integer number (621650706514).

Almost surely, 2^{1243301413027} is an apocalyptic number.

1243301413027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1243301413027 is an equidigital number, since it uses as much as digits as its factorization.

1243301413027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 1243301413027 its reverse (7203141033421), we get a palindrome (8446442446448).

The spelling of 1243301413027 in words is "one trillion, two hundred forty-three billion, three hundred one million, four hundred thirteen thousand, twenty-seven".