124144052557 has 12 divisors (see below), whose sum is σ = 152013126720. Its totient is φ = 100808703576.

The previous prime is 124144052509. The next prime is 124144052573. The reversal of 124144052557 is 755250441421.

It is not a de Polignac number, because 124144052557 - 2¹⁵ = 124144019789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124144022557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66671493 + ... + 66673354.

It is an arithmetic number, because the mean of its divisors is an integer number (12667760560).

Almost surely, 2^124144052557 is an apocalyptic number.

It is an amenable number.

124144052557 is a deficient number, since it is larger than the sum of its proper divisors (27869074163).

124144052557 is a wasteful number, since it uses less digits than its factorization.

124144052557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133344880 (or 133344873 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 40.

Adding to 124144052557 its reverse (755250441421), we get a palindrome (879394493978).

The spelling of 124144052557 in words is "one hundred twenty-four billion, one hundred forty-four million, fifty-two thousand, five hundred fifty-seven".