125843900 has 72 divisors (see below), whose sum is σ = 336124320. Its totient is φ = 39824640.

The previous prime is 125843881. The next prime is 125843923. The reversal of 125843900 is 9348521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2186 + ... + 16014.

Almost surely, 2^125843900 is an apocalyptic number.

125843900 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 125843900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168062160).

125843900 is an abundant number, since it is smaller than the sum of its proper divisors (210280420).

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

125843900 is a wasteful number, since it uses less digits than its factorization.

125843900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13863 (or 13856 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 125843900 is about 11218.0167587680. The cubic root of 125843900 is about 501.1226773046.

The spelling of 125843900 in words is "one hundred twenty-five million, eight hundred forty-three thousand, nine hundred".