125807850 has 96 divisors (see below), whose sum is σ = 396224640. Its totient is φ = 28753920.

The previous prime is 125807839. The next prime is 125807863. The reversal of 125807850 is 58708521.

125807850 is a `hidden beast` number, since 1 + 2 + 580 + 78 + 5 + 0 = 666.

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 47 ways as a sum of consecutive naturals, for example, 2794 + ... + 16106.

It is an arithmetic number, because the mean of its divisors is an integer number (4127340).

Almost surely, 2^125807850 is an apocalyptic number.

125807850 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 125807850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198112320).

125807850 is an abundant number, since it is smaller than the sum of its proper divisors (270416790).

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

125807850 is a wasteful number, since it uses less digits than its factorization.

125807850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13341 (or 13330 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 125807850 is about 11216.4098534246. The cubic root of 125807850 is about 501.0748211966.

The spelling of 125807850 in words is "one hundred twenty-five million, eight hundred seven thousand, eight hundred fifty".