124665565530 has 96 divisors (see below), whose sum is σ = 332126936064. Its totient is φ = 29922640000.

The previous prime is 124665565523. The next prime is 124665565543. The reversal of 124665565530 is 35565566421.

It is a self number, because there is not a number n which added to its sum of digits gives 124665565530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 196615 + ... + 536645.

It is an arithmetic number, because the mean of its divisors is an integer number (3459655584).

Almost surely, 2^124665565530 is an apocalyptic number.

124665565530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 124665565530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166063468032).

124665565530 is an abundant number, since it is smaller than the sum of its proper divisors (207461370534).

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

124665565530 is a wasteful number, since it uses less digits than its factorization.

124665565530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340164 (or 340153 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 48.

The spelling of 124665565530 in words is "one hundred twenty-four billion, six hundred sixty-five million, five hundred sixty-five thousand, five hundred thirty".