1241112143 has 2 divisors, whose sum is σ = 1241112144. Its totient is φ = 1241112142.

The previous prime is 1241112121. The next prime is 1241112157. The reversal of 1241112143 is 3412111421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1241112143 - 2²⁸ = 972676687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241112193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620556071 + 620556072.

It is an arithmetic number, because the mean of its divisors is an integer number (620556072).

Almost surely, 2^1241112143 is an apocalyptic number.

1241112143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241112143 is an equidigital number, since it uses as much as digits as its factorization.

1241112143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 20.

The square root of 1241112143 is about 35229.4215535822. The cubic root of 1241112143 is about 1074.6581622322.

Adding to 1241112143 its reverse (3412111421), we get a palindrome (4653223564).

The spelling of 1241112143 in words is "one billion, two hundred forty-one million, one hundred twelve thousand, one hundred forty-three".