124102688028 has 96 divisors (see below), whose sum is σ = 322783211520. Its totient is φ = 36787995840.

The previous prime is 124102687949. The next prime is 124102688041. The reversal of 124102688028 is 820886201421.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 16492675 + ... + 16500197.

It is an arithmetic number, because the mean of its divisors is an integer number (3362325120).

Almost surely, 2^124102688028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124102688028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161391605760).

124102688028 is an abundant number, since it is smaller than the sum of its proper divisors (198680523492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124102688028 is a wasteful number, since it uses less digits than its factorization.

124102688028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10247 (or 10245 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

Adding to 124102688028 its reverse (820886201421), we get a palindrome (944988889449).

The spelling of 124102688028 in words is "one hundred twenty-four billion, one hundred two million, six hundred eighty-eight thousand, twenty-eight".