124158479872 has 120 divisors (see below), whose sum is σ = 289849986360. Its totient is φ = 52975964160.

The previous prime is 124158479869. The next prime is 124158479891. The reversal of 124158479872 is 278974851421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5734347 + ... + 5755957.

It is an arithmetic number, because the mean of its divisors is an integer number (2415416553).

Almost surely, 2^124158479872 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 124158479872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144924993180).

124158479872 is an abundant number, since it is smaller than the sum of its proper divisors (165691506488).

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

124158479872 is an equidigital number, since it uses as much as digits as its factorization.

124158479872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21872 (or 21849 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 58.

The spelling of 124158479872 in words is "one hundred twenty-four billion, one hundred fifty-eight million, four hundred seventy-nine thousand, eight hundred seventy-two".