9126665 has 4 divisors (see below), whose sum is σ = 10952004. Its totient is φ = 7301328.

The previous prime is 9126661. The next prime is 9126703. The reversal of 9126665 is 5666219.

It is a happy number.

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 5470921 + 3655744 = 2339^2 + 1912^2 .

It is a cyclic number.

It is not a de Polignac number, because 9126665 - 2² = 9126661 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9126661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912662 + ... + 912671.

It is an arithmetic number, because the mean of its divisors is an integer number (2738001).

Almost surely, 2^9126665 is an apocalyptic number.

It is an amenable number.

9126665 is a deficient number, since it is larger than the sum of its proper divisors (1825339).

9126665 is a wasteful number, since it uses less digits than its factorization.

9126665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825338.

The product of its digits is 19440, while the sum is 35.

The square root of 9126665 is about 3021.0370735891. The cubic root of 9126665 is about 208.9796688174.

It can be divided in two parts, 91266 and 65, that multiplied together give a triangular number (5932290 = T₃₄₄₄).

The spelling of 9126665 in words is "nine million, one hundred twenty-six thousand, six hundred sixty-five".