125049856 has 44 divisors (see below), whose sum is σ = 258658920. Its totient is φ = 60354560.

The previous prime is 125049853. The next prime is 125049857. The reversal of 125049856 is 658940521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125049853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27591 + ... + 31801.

Almost surely, 2^125049856 is an apocalyptic number.

125049856 is a gapful number since it is divisible by the number (16) 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 125049856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129329460).

125049856 is an abundant number, since it is smaller than the sum of its proper divisors (133609064).

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

125049856 is an equidigital number, since it uses as much as digits as its factorization.

125049856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4260 (or 4242 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 125049856 is about 11182.5692933243. The cubic root of 125049856 is about 500.0664658309.

The spelling of 125049856 in words is "one hundred twenty-five million, forty-nine thousand, eight hundred fifty-six".