127925267873 has 4 divisors (see below), whose sum is σ = 137765673108. Its totient is φ = 118084862640.

The previous prime is 127925267849. The next prime is 127925267993. The reversal of 127925267873 is 378762529721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46316204944 + 81609062929 = 215212^2 + 285673^2 .

It is a cyclic number.

It is not a de Polignac number, because 127925267873 - 2¹² = 127925263777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127925267273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4920202598 + ... + 4920202623.

It is an arithmetic number, because the mean of its divisors is an integer number (34441418277).

Almost surely, 2^127925267873 is an apocalyptic number.

127925267873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

127925267873 is a deficient number, since it is larger than the sum of its proper divisors (9840405235).

127925267873 is an equidigital number, since it uses as much as digits as its factorization.

127925267873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9840405234.

The product of its digits is 17781120, while the sum is 59.

The spelling of 127925267873 in words is "one hundred twenty-seven billion, nine hundred twenty-five million, two hundred sixty-seven thousand, eight hundred seventy-three".