1243214243041 has 2 divisors, whose sum is σ = 1243214243042. Its totient is φ = 1243214243040.

The previous prime is 1243214243009. The next prime is 1243214243069. The reversal of 1243214243041 is 1403424123421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1239269900625 + 3944342416 = 1113225^2 + 62804^2 .

It is a cyclic number.

It is not a de Polignac number, because 1243214243041 - 2⁵ = 1243214243009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1243214242994 and 1243214243012.

It is not a weakly prime, because it can be changed into another prime (1243214243441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621607121520 + 621607121521.

It is an arithmetic number, because the mean of its divisors is an integer number (621607121521).

Almost surely, 2^{1243214243041} is an apocalyptic number.

It is an amenable number.

1243214243041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1243214243041 is an equidigital number, since it uses as much as digits as its factorization.

1243214243041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 1243214243041 its reverse (1403424123421), we get a palindrome (2646638366462).

The spelling of 1243214243041 in words is "one trillion, two hundred forty-three billion, two hundred fourteen million, two hundred forty-three thousand, forty-one".