125166750 has 64 divisors (see below), whose sum is σ = 330827328. Its totient is φ = 31411200.

The previous prime is 125166721. The next prime is 125166773. The reversal of 125166750 is 57661521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7842 + ... + 17658.

It is an arithmetic number, because the mean of its divisors is an integer number (5169177).

Almost surely, 2^125166750 is an apocalyptic number.

125166750 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 125166750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165413664).

125166750 is an abundant number, since it is smaller than the sum of its proper divisors (205660578).

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

125166750 is a wasteful number, since it uses less digits than its factorization.

125166750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9854 (or 9844 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 125166750 is about 11187.7946888562. The cubic root of 125166750 is about 500.2222345423. Note that the first 4 decimals are identical.

The spelling of 125166750 in words is "one hundred twenty-five million, one hundred sixty-six thousand, seven hundred fifty".