125708820 has 48 divisors (see below), whose sum is σ = 354540480. Its totient is φ = 33278976.

The previous prime is 125708743. The next prime is 125708831. The reversal of 125708820 is 28807521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804 + ... + 15876.

It is an arithmetic number, because the mean of its divisors is an integer number (7386260).

Almost surely, 2^125708820 is an apocalyptic number.

125708820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125708820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177270240).

125708820 is an abundant number, since it is smaller than the sum of its proper divisors (228831660).

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

125708820 is a wasteful number, since it uses less digits than its factorization.

125708820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15224 (or 15222 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 125708820 is about 11211.9944702091. The cubic root of 125708820 is about 500.9433125371.

The spelling of 125708820 in words is "one hundred twenty-five million, seven hundred eight thousand, eight hundred twenty".