9995129 has 2 divisors, whose sum is σ = 9995130. Its totient is φ = 9995128.

The previous prime is 9995119. The next prime is 9995147. The reversal of 9995129 is 9215999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9935104 + 60025 = 3152^2 + 245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9995129 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9995129.

It is not a weakly prime, because it can be changed into another prime (9995119) 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, 4997564 + 4997565.

It is an arithmetic number, because the mean of its divisors is an integer number (4997565).

Almost surely, 2^9995129 is an apocalyptic number.

It is an amenable number.

9995129 is a deficient number, since it is larger than the sum of its proper divisors (1).

9995129 is an equidigital number, since it uses as much as digits as its factorization.

9995129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65610, while the sum is 44.

The square root of 9995129 is about 3161.5073936336. The cubic root of 9995129 is about 215.4084824840.

The spelling of 9995129 in words is "nine million, nine hundred ninety-five thousand, one hundred twenty-nine".