125850 has 24 divisors (see below), whose sum is σ = 312480. Its totient is φ = 33520.

The previous prime is 125821. The next prime is 125863. The reversal of 125850 is 58521.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

125850 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 270 + ... + 569.

It is an arithmetic number, because the mean of its divisors is an integer number (13020).

2¹²⁵⁸⁵⁰ is an apocalyptic number.

125850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125850 is an abundant number, since it is smaller than the sum of its proper divisors (186630).

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

125850 is a wasteful number, since it uses less digits than its factorization.

125850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 125850 is about 354.7534355013. The cubic root of 125850 is about 50.1130774105.

The spelling of 125850 in words is "one hundred twenty-five thousand, eight hundred fifty".