9850129 has 2 divisors, whose sum is σ = 9850130. Its totient is φ = 9850128.

The previous prime is 9850081. The next prime is 9850171. The reversal of 9850129 is 9210589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9828225 + 21904 = 3135^2 + 148^2 .

It is an emirp because it is prime and its reverse (9210589) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9850129 - 2¹⁵ = 9817361 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 9850094 and 9850103.

It is not a weakly prime, because it can be changed into another prime (9851129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4925064 + 4925065.

It is an arithmetic number, because the mean of its divisors is an integer number (4925065).

Almost surely, 2^9850129 is an apocalyptic number.

It is an amenable number.

9850129 is a deficient number, since it is larger than the sum of its proper divisors (1).

9850129 is an equidigital number, since it uses as much as digits as its factorization.

9850129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 9850129 is about 3138.4915166366. The cubic root of 9850129 is about 214.3617560178.

The spelling of 9850129 in words is "nine million, eight hundred fifty thousand, one hundred twenty-nine".