854900129 has 2 divisors, whose sum is σ = 854900130. Its totient is φ = 854900128.

The previous prime is 854900027. The next prime is 854900141. The reversal of 854900129 is 921009458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 817102225 + 37797904 = 28585^2 + 6148^2 .

It is a cyclic number.

It is not a de Polignac number, because 854900129 - 2¹⁶ = 854834593 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 854900092 and 854900101.

It is not a weakly prime, because it can be changed into another prime (854900149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427450064 + 427450065.

It is an arithmetic number, because the mean of its divisors is an integer number (427450065).

Almost surely, 2^854900129 is an apocalyptic number.

It is an amenable number.

854900129 is a deficient number, since it is larger than the sum of its proper divisors (1).

854900129 is an equidigital number, since it uses as much as digits as its factorization.

854900129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 854900129 is about 29238.6752264873. The cubic root of 854900129 is about 949.0850392907.

The spelling of 854900129 in words is "eight hundred fifty-four million, nine hundred thousand, one hundred twenty-nine".