124434310013 has 4 divisors (see below), whose sum is σ = 134006180028. Its totient is φ = 114862440000.

The previous prime is 124434310003. The next prime is 124434310027. The reversal of 124434310013 is 310013434421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310013434421 = 3943 ⋅78623747.

It can be written as a sum of positive squares in 2 ways, for example, as 27661677124 + 96772632889 = 166318^2 + 311083^2 .

It is a cyclic number.

It is not a de Polignac number, because 124434310013 - 2⁶ = 124434309949 is a prime.

It is a super-2 number, since 2×124434310013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124434310003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4785934988 + ... + 4785935013.

It is an arithmetic number, because the mean of its divisors is an integer number (33501545007).

Almost surely, 2^124434310013 is an apocalyptic number.

124434310013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

124434310013 is a deficient number, since it is larger than the sum of its proper divisors (9571870015).

124434310013 is an equidigital number, since it uses as much as digits as its factorization.

124434310013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9571870014.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 124434310013 its reverse (310013434421), we get a palindrome (434447744434).

The spelling of 124434310013 in words is "one hundred twenty-four billion, four hundred thirty-four million, three hundred ten thousand, thirteen".