125530443 has 6 divisors (see below), whose sum is σ = 181321764. Its totient is φ = 83686956.

The previous prime is 125530429. The next prime is 125530451. The reversal of 125530443 is 344035521.

125530443 is a `hidden beast` number, since 125 + 530 + 4 + 4 + 3 = 666.

It is not a de Polignac number, because 125530443 - 2¹³ = 125522251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125530403) 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 5 ways as a sum of consecutive naturals, for example, 6973905 + ... + 6973922.

It is an arithmetic number, because the mean of its divisors is an integer number (30220294).

Almost surely, 2^125530443 is an apocalyptic number.

125530443 is a deficient number, since it is larger than the sum of its proper divisors (55791321).

125530443 is a wasteful number, since it uses less digits than its factorization.

125530443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13947833 (or 13947830 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 125530443 is about 11204.0369064012. The cubic root of 125530443 is about 500.7062592593.

Adding to 125530443 its reverse (344035521), we get a palindrome (469565964).

The spelling of 125530443 in words is "one hundred twenty-five million, five hundred thirty thousand, four hundred forty-three".