127823225 has 6 divisors (see below), whose sum is σ = 158500830. Its totient is φ = 102258560.

The previous prime is 127823209. The next prime is 127823231. The reversal of 127823225 is 522328721.

It can be written as a sum of positive squares in 3 ways, for example, as 42094144 + 85729081 = 6488^2 + 9259^2 .

It is not a de Polignac number, because 127823225 - 2⁴ = 127823209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 127823191 and 127823200.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2556440 + ... + 2556489.

It is an arithmetic number, because the mean of its divisors is an integer number (26416805).

Almost surely, 2^127823225 is an apocalyptic number.

It is an amenable number.

127823225 is a deficient number, since it is larger than the sum of its proper divisors (30677605).

127823225 is an equidigital number, since it uses as much as digits as its factorization.

127823225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5112939 (or 5112934 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 127823225 is about 11305.8933746962. The cubic root of 127823225 is about 503.7363104236.

The spelling of 127823225 in words is "one hundred twenty-seven million, eight hundred twenty-three thousand, two hundred twenty-five".