124131264664 has 128 divisors (see below), whose sum is σ = 277758720000. Its totient is φ = 51378969600.

The previous prime is 124131264611. The next prime is 124131264701. The reversal of 124131264664 is 466462131421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7714932 + ... + 7731004.

It is an arithmetic number, because the mean of its divisors is an integer number (2169990000).

Almost surely, 2^124131264664 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 124131264664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138879360000).

124131264664 is an abundant number, since it is smaller than the sum of its proper divisors (153627455336).

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

124131264664 is a wasteful number, since it uses less digits than its factorization.

124131264664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16289 (or 16285 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The spelling of 124131264664 in words is "one hundred twenty-four billion, one hundred thirty-one million, two hundred sixty-four thousand, six hundred sixty-four".