125529538 has 16 divisors (see below), whose sum is σ = 197925120. Its totient is φ = 59594656.

The previous prime is 125529533. The next prime is 125529541. The reversal of 125529538 is 835925521.

It is a self number, because there is not a number n which added to its sum of digits gives 125529538.

It is not an unprimeable number, because it can be changed into a prime (125529533) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3658 + ... + 16261.

It is an arithmetic number, because the mean of its divisors is an integer number (12370320).

Almost surely, 2^125529538 is an apocalyptic number.

125529538 is a deficient number, since it is larger than the sum of its proper divisors (72395582).

125529538 is a wasteful number, since it uses less digits than its factorization.

125529538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20081.

The product of its digits is 108000, while the sum is 40.

The square root of 125529538 is about 11203.9965190998. The cubic root of 125529538 is about 500.7050559914.

The spelling of 125529538 in words is "one hundred twenty-five million, five hundred twenty-nine thousand, five hundred thirty-eight".