125425050 has 48 divisors (see below), whose sum is σ = 315461952. Its totient is φ = 32972800.

The previous prime is 125425043. The next prime is 125425051. The reversal of 125425050 is 50524521.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 125425050.

It is not an unprimeable number, because it can be changed into a prime (125425051) 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 23 ways as a sum of consecutive naturals, for example, 4762 + ... + 16538.

It is an arithmetic number, because the mean of its divisors is an integer number (6572124).

Almost surely, 2^125425050 is an apocalyptic number.

125425050 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 125425050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157730976).

125425050 is an abundant number, since it is smaller than the sum of its proper divisors (190036902).

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

125425050 is a wasteful number, since it uses less digits than its factorization.

125425050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11863 (or 11858 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 125425050 is about 11199.3325693989. The cubic root of 125425050 is about 500.5660921708.

Adding to 125425050 its reverse (50524521), we get a palindrome (175949571).

The spelling of 125425050 in words is "one hundred twenty-five million, four hundred twenty-five thousand, fifty".