125984530 has 32 divisors (see below), whose sum is σ = 262828800. Its totient is φ = 42584640.

The previous prime is 125984503. The next prime is 125984531. The reversal of 125984530 is 35489521.

It is a self number, because there is not a number n which added to its sum of digits gives 125984530.

It is not an unprimeable number, because it can be changed into a prime (125984531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7705 + ... + 17644.

It is an arithmetic number, because the mean of its divisors is an integer number (8213400).

Almost surely, 2^125984530 is an apocalyptic number.

125984530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125984530 is an abundant number, since it is smaller than the sum of its proper divisors (136844270).

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

125984530 is a wasteful number, since it uses less digits than its factorization.

125984530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25434.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 125984530 is about 11224.2830506006. The cubic root of 125984530 is about 501.3092752707.

The spelling of 125984530 in words is "one hundred twenty-five million, nine hundred eighty-four thousand, five hundred thirty".