124420400211325 has 12 divisors (see below), whose sum is σ = 158451061027060. Its totient is φ = 96846149352960.

The previous prime is 124420400211323. The next prime is 124420400211379. The reversal of 124420400211325 is 523112004024421.

It can be written as a sum of positive squares in 6 ways, for example, as 1659451510809 + 122760948700516 = 1288197^2 + 11079754^2 .

It is not a de Polignac number, because 124420400211325 - 2¹ = 124420400211323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124420400211323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67254269460 + ... + 67254271309.

Almost surely, 2^{124420400211325} is an apocalyptic number.

It is an amenable number.

124420400211325 is a deficient number, since it is larger than the sum of its proper divisors (34030660815735).

124420400211325 is a wasteful number, since it uses less digits than its factorization.

124420400211325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134508540816 (or 134508540811 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 124420400211325 its reverse (523112004024421), we get a palindrome (647532404235746).

The spelling of 124420400211325 in words is "one hundred twenty-four trillion, four hundred twenty billion, four hundred million, two hundred eleven thousand, three hundred twenty-five".