125530530 has 96 divisors (see below), whose sum is σ = 324575424. Its totient is φ = 31059072.

The previous prime is 125530507. The next prime is 125530547. The reversal of 125530530 is 35035521.

It is a self number, because there is not a number n which added to its sum of digits gives 125530530.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 725524 + ... + 725696.

It is an arithmetic number, because the mean of its divisors is an integer number (3380994).

Almost surely, 2^125530530 is an apocalyptic number.

125530530 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 125530530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162287712).

125530530 is an abundant number, since it is smaller than the sum of its proper divisors (199044894).

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

125530530 is a wasteful number, since it uses less digits than its factorization.

125530530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 125530530 is about 11204.0407889297. The cubic root of 125530530 is about 500.7063749323.

The spelling of 125530530 in words is "one hundred twenty-five million, five hundred thirty thousand, five hundred thirty".