9500121 has 12 divisors (see below), whose sum is σ = 13955760. Its totient is φ = 6225720.

The previous prime is 9500111. The next prime is 9500143. The reversal of 9500121 is 1210059.

It is not a de Polignac number, because 9500121 - 2⁵ = 9500089 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9500094 and 9500103.

It is not an unprimeable number, because it can be changed into a prime (9500111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8415 + ... + 9476.

It is an arithmetic number, because the mean of its divisors is an integer number (1162980).

Almost surely, 2^9500121 is an apocalyptic number.

It is an amenable number.

9500121 is a deficient number, since it is larger than the sum of its proper divisors (4455639).

9500121 is a wasteful number, since it uses less digits than its factorization.

9500121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17956 (or 17953 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 9500121 is about 3082.2266302139. The cubic root of 9500121 is about 211.7920783925.

The spelling of 9500121 in words is "nine million, five hundred thousand, one hundred twenty-one".