125747712 has 120 divisors (see below), whose sum is σ = 375829740. Its totient is φ = 40427520.

The previous prime is 125747707. The next prime is 125747723. The reversal of 125747712 is 217747521.

125747712 is a `hidden beast` number, since 1 + 2 + 574 + 77 + 12 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 125081856 + 665856 = 11184^2 + 816^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133162 + ... + 134102.

Almost surely, 2^125747712 is an apocalyptic number.

125747712 is a gapful number since it is divisible by the number (12) 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 125747712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187914870).

125747712 is an abundant number, since it is smaller than the sum of its proper divisors (250082028).

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

125747712 is an equidigital number, since it uses as much as digits as its factorization.

125747712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994 (or 975 counting only the distinct ones).

The product of its digits is 27440, while the sum is 36.

The square root of 125747712 is about 11213.7287286611. The cubic root of 125747712 is about 500.9949680970.

The spelling of 125747712 in words is "one hundred twenty-five million, seven hundred forty-seven thousand, seven hundred twelve".