9950129 has 16 divisors (see below), whose sum is σ = 12134400. Its totient is φ = 7969104.

The previous prime is 9950093. The next prime is 9950141. The reversal of 9950129 is 9210599.

It is a cyclic number.

It is not a de Polignac number, because 9950129 - 2⁸ = 9949873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9950179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10034 + ... + 10980.

It is an arithmetic number, because the mean of its divisors is an integer number (758400).

Almost surely, 2^9950129 is an apocalyptic number.

It is an amenable number.

9950129 is a deficient number, since it is larger than the sum of its proper divisors (2184271).

9950129 is a wasteful number, since it uses less digits than its factorization.

9950129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 9950129 is about 3154.3825069259. The cubic root of 9950129 is about 215.0847259367.

The spelling of 9950129 in words is "nine million, nine hundred fifty thousand, one hundred twenty-nine".