127302672025 has 9 divisors (see below), whose sum is σ = 157857525471. Its totient is φ = 101840710440.

The previous prime is 127302672011. The next prime is 127302672031. The reversal of 127302672025 is 520276203721.

The square root of 127302672025 is 356795.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 45828961929 + 81473710096 = 214077^2 + 285436^2 .

It is not a de Polignac number, because 127302672025 - 2¹⁹ = 127302147737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1748296 + ... + 1819654.

Almost surely, 2^127302672025 is an apocalyptic number.

127302672025 is the 356795-th square number.

127302672025 is the 178398-th centered octagonal number.

It is an amenable number.

127302672025 is a deficient number, since it is larger than the sum of its proper divisors (30554853446).

127302672025 is an frugal number, since it uses more digits than its factorization.

127302672025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142728 (or 71364 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

Adding to 127302672025 its reverse (520276203721), we get a palindrome (647578875746).

The spelling of 127302672025 in words is "one hundred twenty-seven billion, three hundred two million, six hundred seventy-two thousand, twenty-five".