124131111424513 has 2 divisors, whose sum is σ = 124131111424514. Its totient is φ = 124131111424512.

The previous prime is 124131111424487. The next prime is 124131111424543. The reversal of 124131111424513 is 315424111131421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73255659338304 + 50875452086209 = 8558952^2 + 7132703^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124131111424513 is a prime.

It is not a weakly prime, because it can be changed into another prime (124131111424543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62065555712256 + 62065555712257.

It is an arithmetic number, because the mean of its divisors is an integer number (62065555712257).

Almost surely, 2^{124131111424513} is an apocalyptic number.

It is an amenable number.

124131111424513 is a deficient number, since it is larger than the sum of its proper divisors (1).

124131111424513 is an equidigital number, since it uses as much as digits as its factorization.

124131111424513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 34.

Adding to 124131111424513 its reverse (315424111131421), we get a palindrome (439555222555934).

The spelling of 124131111424513 in words is "one hundred twenty-four trillion, one hundred thirty-one billion, one hundred eleven million, four hundred twenty-four thousand, five hundred thirteen".