124400053321 has 2 divisors, whose sum is σ = 124400053322. Its totient is φ = 124400053320.

The previous prime is 124400053303. The next prime is 124400053331. The reversal of 124400053321 is 123350004421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114742077696 + 9657975625 = 338736^2 + 98275^2 .

It is a cyclic number.

It is not a de Polignac number, because 124400053321 - 2⁵ = 124400053289 is a prime.

It is not a weakly prime, because it can be changed into another prime (124400053331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62200026660 + 62200026661.

It is an arithmetic number, because the mean of its divisors is an integer number (62200026661).

Almost surely, 2^124400053321 is an apocalyptic number.

It is an amenable number.

124400053321 is a deficient number, since it is larger than the sum of its proper divisors (1).

124400053321 is an equidigital number, since it uses as much as digits as its factorization.

124400053321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 124400053321 its reverse (123350004421), we get a palindrome (247750057742).

It can be divided in two parts, 1244000 and 53321, that added together give a square (1297321 = 1139²).

The spelling of 124400053321 in words is "one hundred twenty-four billion, four hundred million, fifty-three thousand, three hundred twenty-one".