127563265 has 4 divisors (see below), whose sum is σ = 153075924. Its totient is φ = 102050608.

The previous prime is 127563263. The next prime is 127563269. The reversal of 127563265 is 562365721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 562365721 = 16927 ⋅33223.

It can be written as a sum of positive squares in 2 ways, for example, as 33628401 + 93934864 = 5799^2 + 9692^2 .

It is a cyclic number.

It is not a de Polignac number, because 127563265 - 2¹ = 127563263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127563263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12756322 + ... + 12756331.

It is an arithmetic number, because the mean of its divisors is an integer number (38268981).

Almost surely, 2^127563265 is an apocalyptic number.

It is an amenable number.

127563265 is a deficient number, since it is larger than the sum of its proper divisors (25512659).

127563265 is an equidigital number, since it uses as much as digits as its factorization.

127563265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25512658.

The product of its digits is 75600, while the sum is 37.

The square root of 127563265 is about 11294.3908644955. The cubic root of 127563265 is about 503.3945880551.

The spelling of 127563265 in words is "one hundred twenty-seven million, five hundred sixty-three thousand, two hundred sixty-five".