9279121 has 4 divisors (see below), whose sum is σ = 9304372. Its totient is φ = 9253872.

The previous prime is 9279113. The next prime is 9279139. The reversal of 9279121 is 1219729.

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 1661521 + 7617600 = 1289^2 + 2760^2 .

It is a cyclic number.

It is not a de Polignac number, because 9279121 - 2³ = 9279113 is a prime.

It is a super-2 number, since 2×9279121² = 172204173065282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9279191) 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 3 ways as a sum of consecutive naturals, for example, 12066 + ... + 12811.

It is an arithmetic number, because the mean of its divisors is an integer number (2326093).

Almost surely, 2^9279121 is an apocalyptic number.

It is an amenable number.

9279121 is a deficient number, since it is larger than the sum of its proper divisors (25251).

9279121 is a wasteful number, since it uses less digits than its factorization.

9279121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25250.

The product of its digits is 2268, while the sum is 31.

The square root of 9279121 is about 3046.1649659859. The cubic root of 9279121 is about 210.1368797711.

The spelling of 9279121 in words is "nine million, two hundred seventy-nine thousand, one hundred twenty-one".