9707121 has 24 divisors (see below), whose sum is σ = 14894880. Its totient is φ = 6314112.

The previous prime is 9707111. The next prime is 9707143. The reversal of 9707121 is 1217079.

It is not a de Polignac number, because 9707121 - 2⁶ = 9707057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9707111) 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 23 ways as a sum of consecutive naturals, for example, 9985 + ... + 10913.

It is an arithmetic number, because the mean of its divisors is an integer number (620620).

Almost surely, 2^9707121 is an apocalyptic number.

It is an amenable number.

9707121 is a deficient number, since it is larger than the sum of its proper divisors (5187759).

9707121 is an equidigital number, since it uses as much as digits as its factorization.

9707121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 9707121 is about 3115.6252983952. The cubic root of 9707121 is about 213.3192989357.

The spelling of 9707121 in words is "nine million, seven hundred seven thousand, one hundred twenty-one".