1241002001443 has 2 divisors, whose sum is σ = 1241002001444. Its totient is φ = 1241002001442.

The previous prime is 1241002001401. The next prime is 1241002001453. The reversal of 1241002001443 is 3441002001421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1241002001443 - 2¹⁷ = 1241001870371 is a prime.

It is not a weakly prime, because it can be changed into another prime (1241002001453) 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, 620501000721 + 620501000722.

It is an arithmetic number, because the mean of its divisors is an integer number (620501000722).

Almost surely, 2^{1241002001443} is an apocalyptic number.

1241002001443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241002001443 is an equidigital number, since it uses as much as digits as its factorization.

1241002001443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Subtracting from 1241002001443 its sum of digits (22), we obtain a palindrome (1241002001421).

Adding to 1241002001443 its reverse (3441002001421), we get a palindrome (4682004002864).

The spelling of 1241002001443 in words is "one trillion, two hundred forty-one billion, two million, one thousand, four hundred forty-three".