272125129 has 2 divisors, whose sum is σ = 272125130. Its totient is φ = 272125128.

The previous prime is 272125109. The next prime is 272125151. The reversal of 272125129 is 921521272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251285904 + 20839225 = 15852^2 + 4565^2 .

It is a cyclic number.

It is not a de Polignac number, because 272125129 - 2⁵ = 272125097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 272125129.

It is not a weakly prime, because it can be changed into another prime (272125109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136062564 + 136062565.

It is an arithmetic number, because the mean of its divisors is an integer number (136062565).

Almost surely, 2^272125129 is an apocalyptic number.

It is an amenable number.

272125129 is a deficient number, since it is larger than the sum of its proper divisors (1).

272125129 is an equidigital number, since it uses as much as digits as its factorization.

272125129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 31.

The square root of 272125129 is about 16496.2155963118. The cubic root of 272125129 is about 648.0217002653.

The spelling of 272125129 in words is "two hundred seventy-two million, one hundred twenty-five thousand, one hundred twenty-nine".