1141122143 has 12 divisors (see below), whose sum is σ = 1363306392. Its totient is φ = 951667920.

The previous prime is 1141122137. The next prime is 1141122163. The reversal of 1141122143 is 3412211411.

It is not a de Polignac number, because 1141122143 - 2⁶ = 1141122079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141122163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 312893 + ... + 316518.

It is an arithmetic number, because the mean of its divisors is an integer number (113608866).

Almost surely, 2^1141122143 is an apocalyptic number.

1141122143 is a deficient number, since it is larger than the sum of its proper divisors (222184249).

1141122143 is an equidigital number, since it uses as much as digits as its factorization.

1141122143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629462 (or 629455 counting only the distinct ones).

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

The square root of 1141122143 is about 33780.4994486464. The cubic root of 1141122143 is about 1044.9865746159.

Adding to 1141122143 its reverse (3412211411), we get a palindrome (4553333554).

The spelling of 1141122143 in words is "one billion, one hundred forty-one million, one hundred twenty-two thousand, one hundred forty-three".