131124143 has 2 divisors, whose sum is σ = 131124144. Its totient is φ = 131124142.

The previous prime is 131124107. The next prime is 131124181. The reversal of 131124143 is 341421131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131124143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131124743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65562071 + 65562072.

It is an arithmetic number, because the mean of its divisors is an integer number (65562072).

Almost surely, 2^131124143 is an apocalyptic number.

131124143 is a deficient number, since it is larger than the sum of its proper divisors (1).

131124143 is an equidigital number, since it uses as much as digits as its factorization.

131124143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 20.

The square root of 131124143 is about 11450.9450701678. The cubic root of 131124143 is about 508.0356876059.

Adding to 131124143 its reverse (341421131), we get a palindrome (472545274).

The spelling of 131124143 in words is "one hundred thirty-one million, one hundred twenty-four thousand, one hundred forty-three".