127828025 has 24 divisors (see below), whose sum is σ = 171489024. Its totient is φ = 93960000.

The previous prime is 127828009. The next prime is 127828033. The reversal of 127828025 is 520828721.

It is not a de Polignac number, because 127828025 - 2⁴ = 127828009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 80792 + ... + 82358.

It is an arithmetic number, because the mean of its divisors is an integer number (7145376).

Almost surely, 2^127828025 is an apocalyptic number.

It is an amenable number.

127828025 is a deficient number, since it is larger than the sum of its proper divisors (43660999).

127828025 is a wasteful number, since it uses less digits than its factorization.

127828025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841 (or 1836 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 127828025 is about 11306.1056513726. The cubic root of 127828025 is about 503.7426157566.

The spelling of 127828025 in words is "one hundred twenty-seven million, eight hundred twenty-eight thousand, twenty-five".