124542230013 has 12 divisors (see below), whose sum is σ = 179916775740. Its totient is φ = 83017794816.

The previous prime is 124542229991. The next prime is 124542230051. The reversal of 124542230013 is 310032245421.

It can be written as a sum of positive squares in 2 ways, for example, as 57620161764 + 66922068249 = 240042^2 + 258693^2 .

It is not a de Polignac number, because 124542230013 - 2²⁵ = 124508675581 is a prime.

It is a super-2 number, since 2×124542230013² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124542230093) 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, 786708 + ... + 931661.

It is an arithmetic number, because the mean of its divisors is an integer number (14993064645).

Almost surely, 2^124542230013 is an apocalyptic number.

It is an amenable number.

124542230013 is a deficient number, since it is larger than the sum of its proper divisors (55374545727).

124542230013 is a wasteful number, since it uses less digits than its factorization.

124542230013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726428 (or 1726425 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 124542230013 its reverse (310032245421), we get a palindrome (434574475434).

The spelling of 124542230013 in words is "one hundred twenty-four billion, five hundred forty-two million, two hundred thirty thousand, thirteen".