125081000 has 128 divisors (see below), whose sum is σ = 325503360. Its totient is φ = 44608000.

The previous prime is 125080999. The next prime is 125081017. The reversal of 125081000 is 180521.

It is a super-2 number, since 2×125081000² = 31290513122000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125081000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 912932 + ... + 913068.

It is an arithmetic number, because the mean of its divisors is an integer number (2542995).

Almost surely, 2^125081000 is an apocalyptic number.

125081000 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 125081000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162751680).

125081000 is an abundant number, since it is smaller than the sum of its proper divisors (200422360).

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

125081000 is a wasteful number, since it uses less digits than its factorization.

125081000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 125081000 is about 11183.9617309789. The cubic root of 125081000 is about 500.1079766804.

The spelling of 125081000 in words is "one hundred twenty-five million, eighty-one thousand".