125134544000 has 128 divisors (see below), whose sum is σ = 312365289600. Its totient is φ = 49852800000.

The previous prime is 125134543991. The next prime is 125134544023. The reversal of 125134544000 is 445431521.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4000421 + ... + 4031579.

It is an arithmetic number, because the mean of its divisors is an integer number (2440353825).

Almost surely, 2^125134544000 is an apocalyptic number.

125134544000 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 125134544000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156182644800).

125134544000 is an abundant number, since it is smaller than the sum of its proper divisors (187230745600).

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

125134544000 is an equidigital number, since it uses as much as digits as its factorization.

125134544000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31439 (or 31417 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 125134544000 its reverse (445431521), we get a palindrome (125579975521).

The spelling of 125134544000 in words is "one hundred twenty-five billion, one hundred thirty-four million, five hundred forty-four thousand".