124517751862081 has 2 divisors, whose sum is σ = 124517751862082. Its totient is φ = 124517751862080.

The previous prime is 124517751862069. The next prime is 124517751862183. The reversal of 124517751862081 is 180268157715421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116690117382400 + 7827634479681 = 10802320^2 + 2797791^2 .

It is a cyclic number.

It is not a de Polignac number, because 124517751862081 - 2⁴³ = 115721658839873 is a prime.

It is a super-2 number, since 2×124517751862081² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124517751860081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62258875931040 + 62258875931041.

It is an arithmetic number, because the mean of its divisors is an integer number (62258875931041).

Almost surely, 2^{124517751862081} is an apocalyptic number.

It is an amenable number.

124517751862081 is a deficient number, since it is larger than the sum of its proper divisors (1).

124517751862081 is an equidigital number, since it uses as much as digits as its factorization.

124517751862081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7526400, while the sum is 58.

The spelling of 124517751862081 in words is "one hundred twenty-four trillion, five hundred seventeen billion, seven hundred fifty-one million, eight hundred sixty-two thousand, eighty-one".