125800250 has 32 divisors (see below), whose sum is σ = 237281616. Its totient is φ = 49939200.

The previous prime is 125800229. The next prime is 125800267. The reversal of 125800250 is 52008521.

It can be written as a sum of positive squares in 8 ways, for example, as 203401 + 125596849 = 451^2 + 11207^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32414 + ... + 36086.

Almost surely, 2^125800250 is an apocalyptic number.

125800250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125800250 is a deficient number, since it is larger than the sum of its proper divisors (111481366).

125800250 is a wasteful number, since it uses less digits than its factorization.

125800250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3827 (or 3817 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 125800250 is about 11216.0710589760. The cubic root of 125800250 is about 501.0647310860.

Adding to 125800250 its reverse (52008521), we get a palindrome (177808771).

The spelling of 125800250 in words is "one hundred twenty-five million, eight hundred thousand, two hundred fifty".