124310224021 has 4 divisors (see below), whose sum is σ = 128596783500. Its totient is φ = 120023664544.

The previous prime is 124310223967. The next prime is 124310224063. The reversal of 124310224021 is 120422013421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36676463121 + 87633760900 = 191511^2 + 296030^2 .

It is a cyclic number.

It is not a de Polignac number, because 124310224021 - 2⁷ = 124310223893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124310223983 and 124310224001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124310224081) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2143279696 + ... + 2143279753.

It is an arithmetic number, because the mean of its divisors is an integer number (32149195875).

Almost surely, 2^124310224021 is an apocalyptic number.

It is an amenable number.

124310224021 is a deficient number, since it is larger than the sum of its proper divisors (4286559479).

124310224021 is an equidigital number, since it uses as much as digits as its factorization.

124310224021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286559478.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 124310224021 its reverse (120422013421), we get a palindrome (244732237442).

The spelling of 124310224021 in words is "one hundred twenty-four billion, three hundred ten million, two hundred twenty-four thousand, twenty-one".