124879307599872 has 520 divisors, whose sum is σ = 426459998412800. Its totient is φ = 35670063218688.

The previous prime is 124879307599859. The next prime is 124879307599931. The reversal of 124879307599872 is 278995703978421.

124879307599872 is a `hidden beast` number, since 1 + 2 + 48 + 79 + 307 + 59 + 98 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a junction number, because it is equal to n+sod(n) for n = 124879307599791 and 124879307599800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16347595029 + ... + 16347602667.

Almost surely, 2^{124879307599872} is an apocalyptic number.

124879307599872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124879307599872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213229999206400).

124879307599872 is an abundant number, since it is smaller than the sum of its proper divisors (301580690812928).

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

124879307599872 is an frugal number, since it uses more digits than its factorization.

124879307599872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14721 (or 14690 counting only the distinct ones).

The product of its (nonzero) digits is 3840721920, while the sum is 81.

The spelling of 124879307599872 in words is "one hundred twenty-four trillion, eight hundred seventy-nine billion, three hundred seven million, five hundred ninety-nine thousand, eight hundred seventy-two".