124143543 has 16 divisors (see below), whose sum is σ = 187388640. Its totient is φ = 81199872.

The previous prime is 124143533. The next prime is 124143553. The reversal of 124143543 is 345341421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (124143533) and next prime (124143553).

It is not a de Polignac number, because 124143543 - 2⁴ = 124143527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124143533) 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 in 15 ways as a sum of consecutive naturals, for example, 41946 + ... + 44807.

It is an arithmetic number, because the mean of its divisors is an integer number (11711790).

Almost surely, 2^124143543 is an apocalyptic number.

124143543 is a deficient number, since it is larger than the sum of its proper divisors (63245097).

124143543 is an equidigital number, since it uses as much as digits as its factorization.

124143543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86815 (or 86809 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 124143543 is about 11141.9721324369. The cubic root of 124143543 is about 498.8554392941.

Adding to 124143543 its reverse (345341421), we get a palindrome (469484964).

The spelling of 124143543 in words is "one hundred twenty-four million, one hundred forty-three thousand, five hundred forty-three".