9121141 has 4 divisors (see below), whose sum is σ = 9293292. Its totient is φ = 8948992.

The previous prime is 9121097. The next prime is 9121153. The reversal of 9121141 is 1411219.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4622500 + 4498641 = 2150^2 + 2121^2 .

It is a cyclic number.

It is not a de Polignac number, because 9121141 - 2¹¹ = 9119093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9121171) 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 3 ways as a sum of consecutive naturals, for example, 85996 + ... + 86101.

It is an arithmetic number, because the mean of its divisors is an integer number (2323323).

Almost surely, 2^9121141 is an apocalyptic number.

It is an amenable number.

9121141 is a deficient number, since it is larger than the sum of its proper divisors (172151).

9121141 is a wasteful number, since it uses less digits than its factorization.

9121141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172150.

The product of its digits is 72, while the sum is 19.

The square root of 9121141 is about 3020.1226796274. The cubic root of 9121141 is about 208.9374980035.

The spelling of 9121141 in words is "nine million, one hundred twenty-one thousand, one hundred forty-one".