124321440321 has 12 divisors (see below), whose sum is σ = 193388907348. Its totient is φ = 76505501664.

The previous prime is 124321440311. The next prime is 124321440323. The reversal of 124321440321 is 123044123421.

124321440321 is a `hidden beast` number, since 1 + 2 + 43 + 214 + 403 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31929758721 + 92391681600 = 178689^2 + 303960^2 .

It is not a de Polignac number, because 124321440321 - 2¹³ = 124321432129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124321440323) 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, 531288090 + ... + 531288323.

It is an arithmetic number, because the mean of its divisors is an integer number (16115742279).

Almost surely, 2^124321440321 is an apocalyptic number.

It is an amenable number.

124321440321 is a deficient number, since it is larger than the sum of its proper divisors (69067467027).

124321440321 is a wasteful number, since it uses less digits than its factorization.

124321440321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062576432 (or 1062576429 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 124321440321 its reverse (123044123421), we get a palindrome (247365563742).

The spelling of 124321440321 in words is "one hundred twenty-four billion, three hundred twenty-one million, four hundred forty thousand, three hundred twenty-one".