124305040534120 has 128 divisors (see below), whose sum is σ = 284311293444000. Its totient is φ = 48903789035520.

The previous prime is 124305040533979. The next prime is 124305040534133. The reversal of 124305040534120 is 21435040503421.

It can be written as a sum of positive squares in 16 ways, for example, as 251199435204 + 124053841098916 = 501198^2 + 11137946^2 .

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, 1688683876 + ... + 1688757484.

Almost surely, 2^{124305040534120} is an apocalyptic number.

124305040534120 is a gapful number since it is divisible by the number (10) 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 124305040534120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142155646722000).

124305040534120 is an abundant number, since it is smaller than the sum of its proper divisors (160006252909880).

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

124305040534120 is a wasteful number, since it uses less digits than its factorization.

124305040534120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75303 (or 75299 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 124305040534120 in words is "one hundred twenty-four trillion, three hundred five billion, forty million, five hundred thirty-four thousand, one hundred twenty".