127565225 has 12 divisors (see below), whose sum is σ = 158561280. Its totient is φ = 101806800.

The previous prime is 127565209. The next prime is 127565239. The reversal of 127565225 is 522565721.

It is not a de Polignac number, because 127565225 - 2⁴ = 127565209 is a prime.

It is a super-3 number, since 3×127565225³ (a number of 25 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4856 + ... + 16694.

It is an arithmetic number, because the mean of its divisors is an integer number (13213440).

Almost surely, 2^127565225 is an apocalyptic number.

It is an amenable number.

127565225 is a deficient number, since it is larger than the sum of its proper divisors (30996055).

127565225 is a wasteful number, since it uses less digits than its factorization.

127565225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12280 (or 12275 counting only the distinct ones).

The product of its digits is 42000, while the sum is 35.

The square root of 127565225 is about 11294.4776328965. The cubic root of 127565225 is about 503.3971662485.

The spelling of 127565225 in words is "one hundred twenty-seven million, five hundred sixty-five thousand, two hundred twenty-five".