124112494081 has 2 divisors, whose sum is σ = 124112494082. Its totient is φ = 124112494080.

The previous prime is 124112494073. The next prime is 124112494147. The reversal of 124112494081 is 180494211421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66840346225 + 57272147856 = 258535^2 + 239316^2 .

It is an emirp because it is prime and its reverse (180494211421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124112494081 - 2³ = 124112494073 is a prime.

It is a super-2 number, since 2×124112494081² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124112494081.

It is not a weakly prime, because it can be changed into another prime (124112494001) 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, 62056247040 + 62056247041.

It is an arithmetic number, because the mean of its divisors is an integer number (62056247041).

Almost surely, 2^124112494081 is an apocalyptic number.

It is an amenable number.

124112494081 is a deficient number, since it is larger than the sum of its proper divisors (1).

124112494081 is an equidigital number, since it uses as much as digits as its factorization.

124112494081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 124112494081 in words is "one hundred twenty-four billion, one hundred twelve million, four hundred ninety-four thousand, eighty-one".