125747800 has 48 divisors (see below), whose sum is σ = 297905040. Its totient is φ = 49345920.

The previous prime is 125747789. The next prime is 125747801. The reversal of 125747800 is 8747521.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125747801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4669 + ... + 16531.

It is an arithmetic number, because the mean of its divisors is an integer number (6206355).

Almost surely, 2^125747800 is an apocalyptic number.

125747800 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 125747800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148952520).

125747800 is an abundant number, since it is smaller than the sum of its proper divisors (172157240).

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

125747800 is a wasteful number, since it uses less digits than its factorization.

125747800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11932 (or 11923 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 125747800 is about 11213.7326524222. The cubic root of 125747800 is about 500.9950849647.

The spelling of 125747800 in words is "one hundred twenty-five million, seven hundred forty-seven thousand, eight hundred".