9129161 has 8 divisors (see below), whose sum is σ = 9377280. Its totient is φ = 8884512.

The previous prime is 9129151. The next prime is 9129167. The reversal of 9129161 is 1619219.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9129161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9129167) 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 in 7 ways as a sum of consecutive naturals, for example, 4976 + ... + 6558.

It is an arithmetic number, because the mean of its divisors is an integer number (1172160).

Almost surely, 2^9129161 is an apocalyptic number.

It is an amenable number.

9129161 is a deficient number, since it is larger than the sum of its proper divisors (248119).

9129161 is a wasteful number, since it uses less digits than its factorization.

9129161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735.

The product of its digits is 972, while the sum is 29.

The square root of 9129161 is about 3021.4501485214. The cubic root of 9129161 is about 208.9987179702.

The spelling of 9129161 in words is "nine million, one hundred twenty-nine thousand, one hundred sixty-one".