124040342401 has 2 divisors, whose sum is σ = 124040342402. Its totient is φ = 124040342400.

The previous prime is 124040342399. The next prime is 124040342471. The reversal of 124040342401 is 104243040421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123932161600 + 108180801 = 352040^2 + 10401^2 .

It is a cyclic number.

It is not a de Polignac number, because 124040342401 - 2¹ = 124040342399 is a prime.

Together with 124040342399, 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 (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62020171200 + 62020171201.

It is an arithmetic number, because the mean of its divisors is an integer number (62020171201).

Almost surely, 2^124040342401 is an apocalyptic number.

It is an amenable number.

124040342401 is a deficient number, since it is larger than the sum of its proper divisors (1).

124040342401 is an equidigital number, since it uses as much as digits as its factorization.

124040342401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 124040342401 its reverse (104243040421), we get a palindrome (228283382822).

The spelling of 124040342401 in words is "one hundred twenty-four billion, forty million, three hundred forty-two thousand, four hundred one".