1241442143 has 2 divisors, whose sum is σ = 1241442144. Its totient is φ = 1241442142.

The previous prime is 1241442131. The next prime is 1241442173. The reversal of 1241442143 is 3412441421.

It is a weak prime.

It is an emirp because it is prime and its reverse (3412441421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1241442143 - 2¹⁰ = 1241441119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241442173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620721071 + 620721072.

It is an arithmetic number, because the mean of its divisors is an integer number (620721072).

Almost surely, 2^1241442143 is an apocalyptic number.

1241442143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241442143 is an equidigital number, since it uses as much as digits as its factorization.

1241442143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 26.

The square root of 1241442143 is about 35234.1048275673. The cubic root of 1241442143 is about 1074.7534009444.

Adding to 1241442143 its reverse (3412441421), we get a palindrome (4653883564).

The spelling of 1241442143 in words is "one billion, two hundred forty-one million, four hundred forty-two thousand, one hundred forty-three".