125007500 has 60 divisors (see below), whose sum is σ = 282359616. Its totient is φ = 48360000.

The previous prime is 125007473. The next prime is 125007523. The reversal of 125007500 is 5700521.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 76694 + ... + 78306.

Almost surely, 2^125007500 is an apocalyptic number.

125007500 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 125007500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141179808).

125007500 is an abundant number, since it is smaller than the sum of its proper divisors (157352116).

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

125007500 is a wasteful number, since it uses less digits than its factorization.

125007500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668 (or 1651 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 125007500 is about 11180.6752926646. The cubic root of 125007500 is about 500.0099998000.

The spelling of 125007500 in words is "one hundred twenty-five million, seven thousand, five hundred".