275244129 has 8 divisors (see below), whose sum is σ = 407769120. Its totient is φ = 183496068.

The previous prime is 275244103. The next prime is 275244149. The reversal of 275244129 is 921442572.

275244129 is a `hidden beast` number, since 2 + 7 + 524 + 4 + 129 = 666.

It is not a de Polignac number, because 275244129 - 2⁸ = 275243873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 275244093 and 275244102.

It is not an unprimeable number, because it can be changed into a prime (275244149) 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 7 ways as a sum of consecutive naturals, for example, 5097087 + ... + 5097140.

It is an arithmetic number, because the mean of its divisors is an integer number (50971140).

Almost surely, 2^275244129 is an apocalyptic number.

It is an amenable number.

275244129 is a deficient number, since it is larger than the sum of its proper divisors (132524991).

275244129 is a wasteful number, since it uses less digits than its factorization.

275244129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10194236 (or 10194230 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 275244129 is about 16590.4830851907. The cubic root of 275244129 is about 650.4880980799.

The spelling of 275244129 in words is "two hundred seventy-five million, two hundred forty-four thousand, one hundred twenty-nine".