124113435421025 has 12 divisors (see below), whose sum is σ = 155024022407532. Its totient is φ = 98565998346240.

The previous prime is 124113435420929. The next prime is 124113435421033. The reversal of 124113435421025 is 520124534311421.

It can be written as a sum of positive squares in 6 ways, for example, as 443177792656 + 123670257628369 = 665716^2 + 11120713^2 .

It is not a de Polignac number, because 124113435421025 - 2²⁸ = 124113166985569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124113435421025.

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 11 ways as a sum of consecutive naturals, for example, 18118746272 + ... + 18118753121.

It is an arithmetic number, because the mean of its divisors is an integer number (12918668533961).

Almost surely, 2^{124113435421025} is an apocalyptic number.

It is an amenable number.

124113435421025 is a deficient number, since it is larger than the sum of its proper divisors (30910586986507).

124113435421025 is a wasteful number, since it uses less digits than its factorization.

124113435421025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36237499540 (or 36237499535 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 124113435421025 its reverse (520124534311421), we get a palindrome (644237969732446).

The spelling of 124113435421025 in words is "one hundred twenty-four trillion, one hundred thirteen billion, four hundred thirty-five million, four hundred twenty-one thousand, twenty-five".