125225000 has 48 divisors (see below), whose sum is σ = 293535900. Its totient is φ = 50080000.

The previous prime is 125224997. The next prime is 125225017. The reversal of 125225000 is 522521.

It can be written as a sum of positive squares in 6 ways, for example, as 16273156 + 108951844 = 4034^2 + 10438^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 125225000.

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 11 ways as a sum of consecutive naturals, for example, 22496 + ... + 27504.

Almost surely, 2^125225000 is an apocalyptic number.

125225000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125225000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146767950).

125225000 is an abundant number, since it is smaller than the sum of its proper divisors (168310900).

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

125225000 is an frugal number, since it uses more digits than its factorization.

125225000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5040 (or 5016 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 125225000 is about 11190.3976694307. The cubic root of 125225000 is about 500.2998201798.

Adding to 125225000 its reverse (522521), we get a palindrome (125747521).

The spelling of 125225000 in words is "one hundred twenty-five million, two hundred twenty-five thousand".