9520129 has 2 divisors, whose sum is σ = 9520130. Its totient is φ = 9520128.

The previous prime is 9520127. The next prime is 9520139. The reversal of 9520129 is 9210259.

9520129 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4906225 + 4613904 = 2215^2 + 2148^2 .

It is an emirp because it is prime and its reverse (9210259) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9520129 - 2¹ = 9520127 is a prime.

Together with 9520127, it forms a pair of twin primes.

9520129 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9520097 and 9520106.

It is not a weakly prime, because it can be changed into another prime (9520123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4760064 + 4760065.

It is an arithmetic number, because the mean of its divisors is an integer number (4760065).

Almost surely, 2^9520129 is an apocalyptic number.

It is an amenable number.

9520129 is a deficient number, since it is larger than the sum of its proper divisors (1).

9520129 is an equidigital number, since it uses as much as digits as its factorization.

9520129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 9520129 is about 3085.4706286076. The cubic root of 9520129 is about 211.9406577113.

The spelling of 9520129 in words is "nine million, five hundred twenty thousand, one hundred twenty-nine".