124405125132 has 96 divisors (see below), whose sum is σ = 309980160000. Its totient is φ = 38741643072.

The previous prime is 124405125067. The next prime is 124405125149. The reversal of 124405125132 is 231521504421.

It is a self number, because there is not a number n which added to its sum of digits gives 124405125132.

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, 6463419 + ... + 6482637.

It is an arithmetic number, because the mean of its divisors is an integer number (3228960000).

Almost surely, 2^124405125132 is an apocalyptic number.

124405125132 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 124405125132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154990080000).

124405125132 is an abundant number, since it is smaller than the sum of its proper divisors (185575034868).

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

124405125132 is a wasteful number, since it uses less digits than its factorization.

124405125132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19795 (or 19793 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 124405125132 its reverse (231521504421), we get a palindrome (355926629553).

The spelling of 124405125132 in words is "one hundred twenty-four billion, four hundred five million, one hundred twenty-five thousand, one hundred thirty-two".