124143242507 has 2 divisors, whose sum is σ = 124143242508. Its totient is φ = 124143242506.

The previous prime is 124143242491. The next prime is 124143242513. The reversal of 124143242507 is 705242341421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124143242507 - 2⁴ = 124143242491 is a prime.

It is not a weakly prime, because it can be changed into another prime (124143242557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62071621253 + 62071621254.

It is an arithmetic number, because the mean of its divisors is an integer number (62071621254).

Almost surely, 2^124143242507 is an apocalyptic number.

124143242507 is a deficient number, since it is larger than the sum of its proper divisors (1).

124143242507 is an equidigital number, since it uses as much as digits as its factorization.

124143242507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 35.

Adding to 124143242507 its reverse (705242341421), we get a palindrome (829385583928).

The spelling of 124143242507 in words is "one hundred twenty-four billion, one hundred forty-three million, two hundred forty-two thousand, five hundred seven".