127852225 has 6 divisors (see below), whose sum is σ = 158536790. Its totient is φ = 102281760.

The previous prime is 127852217. The next prime is 127852229. The reversal of 127852225 is 522258721.

It can be written as a sum of positive squares in 3 ways, for example, as 5992704 + 121859521 = 2448^2 + 11039^2 .

It is not a de Polignac number, because 127852225 - 2³ = 127852217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (127852229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2557020 + ... + 2557069.

Almost surely, 2^127852225 is an apocalyptic number.

It is an amenable number.

127852225 is a deficient number, since it is larger than the sum of its proper divisors (30684565).

127852225 is an equidigital number, since it uses as much as digits as its factorization.

127852225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114099 (or 5114094 counting only the distinct ones).

The product of its digits is 22400, while the sum is 34.

The square root of 127852225 is about 11307.1758189214. The cubic root of 127852225 is about 503.7744027405.

The spelling of 127852225 in words is "one hundred twenty-seven million, eight hundred fifty-two thousand, two hundred twenty-five".