125651250 has 200 divisors, whose sum is σ = 377625996. Its totient is φ = 31104000.

The previous prime is 125651243. The next prime is 125651263. The reversal of 125651250 is 52156521.

125651250 is a `hidden beast` number, since 1 + 2 + 5 + 651 + 2 + 5 + 0 = 666.

It can be written as a sum of positive squares in 10 ways, for example, as 1306449 + 124344801 = 1143^2 + 11151^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 1721214 + ... + 1721286.

Almost surely, 2^125651250 is an apocalyptic number.

125651250 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 125651250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188812998).

125651250 is an abundant number, since it is smaller than the sum of its proper divisors (251974746).

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

125651250 is an equidigital number, since it uses as much as digits as its factorization.

125651250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 125651250 is about 11209.4268363730. The cubic root of 125651250 is about 500.8668296775.

The spelling of 125651250 in words is "one hundred twenty-five million, six hundred fifty-one thousand, two hundred fifty".