124040342473 has 2 divisors, whose sum is σ = 124040342474. Its totient is φ = 124040342472.

The previous prime is 124040342471. The next prime is 124040342483. The reversal of 124040342473 is 374243040421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123153970489 + 886371984 = 350933^2 + 29772^2 .

It is an emirp because it is prime and its reverse (374243040421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124040342473 - 2¹ = 124040342471 is a prime.

It is a super-3 number, since 3×124040342473³ (a number of 34 digits) contains 333 as substring.

Together with 124040342471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (124040342471) 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, 62020171236 + 62020171237.

It is an arithmetic number, because the mean of its divisors is an integer number (62020171237).

Almost surely, 2^124040342473 is an apocalyptic number.

It is an amenable number.

124040342473 is a deficient number, since it is larger than the sum of its proper divisors (1).

124040342473 is an equidigital number, since it uses as much as digits as its factorization.

124040342473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 34.

Adding to 124040342473 its reverse (374243040421), we get a palindrome (498283382894).

The spelling of 124040342473 in words is "one hundred twenty-four billion, forty million, three hundred forty-two thousand, four hundred seventy-three".