124645681853 has 32 divisors (see below), whose sum is σ = 156996403200. Its totient is φ = 96131295360.

The previous prime is 124645681829. The next prime is 124645681889. The reversal of 124645681853 is 358186546421.

It is a cyclic number.

It is not a de Polignac number, because 124645681853 - 2¹² = 124645677757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124645681795 and 124645681804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124648681853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21307673 + ... + 21313521.

It is an arithmetic number, because the mean of its divisors is an integer number (4906137600).

Almost surely, 2^124645681853 is an apocalyptic number.

It is an amenable number.

124645681853 is a deficient number, since it is larger than the sum of its proper divisors (32350721347).

124645681853 is a wasteful number, since it uses less digits than its factorization.

124645681853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8657.

The product of its digits is 5529600, while the sum is 53.

It can be divided in two parts, 12464568 and 1853, that added together give a palindrome (12466421).

The spelling of 124645681853 in words is "one hundred twenty-four billion, six hundred forty-five million, six hundred eighty-one thousand, eight hundred fifty-three".