124540240424125 has 16 divisors (see below), whose sum is σ = 155448967525488. Its totient is φ = 99617610624000.

The previous prime is 124540240424063. The next prime is 124540240424143. The reversal of 124540240424125 is 521424042045421.

It can be written as a sum of positive squares in 8 ways, for example, as 106820947918084 + 17719292506041 = 10335422^2 + 4209429^2 .

It is not a de Polignac number, because 124540240424125 - 2¹¹ = 124540240422077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72051036 + ... + 73759285.

It is an arithmetic number, because the mean of its divisors is an integer number (9715560470343).

Almost surely, 2^{124540240424125} is an apocalyptic number.

It is an amenable number.

124540240424125 is a deficient number, since it is larger than the sum of its proper divisors (30908727101363).

124540240424125 is an equidigital number, since it uses as much as digits as its factorization.

124540240424125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145817169 (or 145817159 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 40.

Adding to 124540240424125 its reverse (521424042045421), we get a palindrome (645964282469546).

The spelling of 124540240424125 in words is "one hundred twenty-four trillion, five hundred forty billion, two hundred forty million, four hundred twenty-four thousand, one hundred twenty-five".