9620129 has 2 divisors, whose sum is σ = 9620130. Its totient is φ = 9620128.

The previous prime is 9620119. The next prime is 9620131. The reversal of 9620129 is 9210269.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7011904 + 2608225 = 2648^2 + 1615^2 .

It is a cyclic number.

It is not a de Polignac number, because 9620129 - 2⁸ = 9619873 is a prime.

Together with 9620131, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9620119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4810064 + 4810065.

It is an arithmetic number, because the mean of its divisors is an integer number (4810065).

Almost surely, 2^9620129 is an apocalyptic number.

It is an amenable number.

9620129 is a deficient number, since it is larger than the sum of its proper divisors (1).

9620129 is an equidigital number, since it uses as much as digits as its factorization.

9620129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 9620129 is about 3101.6332794191. The cubic root of 9620129 is about 212.6801535697.

The spelling of 9620129 in words is "nine million, six hundred twenty thousand, one hundred twenty-nine".