127520825 has 24 divisors (see below), whose sum is σ = 172846080. Its totient is φ = 92908800.

The previous prime is 127520821. The next prime is 127520831. The reversal of 127520825 is 528025721.

It is a happy number.

It is not a de Polignac number, because 127520825 - 2² = 127520821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 127520791 and 127520800.

It is not an unprimeable number, because it can be changed into a prime (127520821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8336 + ... + 18014.

It is an arithmetic number, because the mean of its divisors is an integer number (7201920).

Almost surely, 2^127520825 is an apocalyptic number.

It is an amenable number.

127520825 is a deficient number, since it is larger than the sum of its proper divisors (45325255).

127520825 is a wasteful number, since it uses less digits than its factorization.

127520825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9737 (or 9732 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 127520825 is about 11292.5118994845. The cubic root of 127520825 is about 503.3387557954.

The spelling of 127520825 in words is "one hundred twenty-seven million, five hundred twenty thousand, eight hundred twenty-five".