125200424 has 32 divisors (see below), whose sum is σ = 255636000. Its totient is φ = 57258432.

The previous prime is 125200409. The next prime is 125200441. The reversal of 125200424 is 424002521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 125200396 and 125200405.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9794 + ... + 18609.

It is an arithmetic number, because the mean of its divisors is an integer number (7988625).

Almost surely, 2^125200424 is an apocalyptic number.

It is an amenable number.

125200424 is an abundant number, since it is smaller than the sum of its proper divisors (130435576).

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

125200424 is a wasteful number, since it uses less digits than its factorization.

125200424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28457 (or 28453 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 125200424 is about 11189.2995312486. The cubic root of 125200424 is about 500.2670893012.

Adding to 125200424 its reverse (424002521), we get a palindrome (549202945).

The spelling of 125200424 in words is "one hundred twenty-five million, two hundred thousand, four hundred twenty-four".