125261500 has 96 divisors (see below), whose sum is σ = 336825216. Its totient is φ = 39628800.

The previous prime is 125261453. The next prime is 125261557. The reversal of 125261500 is 5162521.

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, 44124 + ... + 46876.

It is an arithmetic number, because the mean of its divisors is an integer number (3508596).

Almost surely, 2^125261500 is an apocalyptic number.

125261500 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 125261500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168412608).

125261500 is an abundant number, since it is smaller than the sum of its proper divisors (211563716).

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

125261500 is a wasteful number, since it uses less digits than its factorization.

125261500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792 (or 2780 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 125261500 is about 11192.0284131162. The cubic root of 125261500 is about 500.3484238120.

The spelling of 125261500 in words is "one hundred twenty-five million, two hundred sixty-one thousand, five hundred".