973121 has 4 divisors (see below), whose sum is σ = 1004544. Its totient is φ = 941700.

The previous prime is 973099. The next prime is 973129. The reversal of 973121 is 121379.

973121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 973121 - 2⁶ = 973057 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 973121.

It is not an unprimeable number, because it can be changed into a prime (973129) 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, 15665 + ... + 15726.

It is an arithmetic number, because the mean of its divisors is an integer number (251136).

2⁹⁷³¹²¹ is an apocalyptic number.

It is an amenable number.

973121 is a deficient number, since it is larger than the sum of its proper divisors (31423).

973121 is a wasteful number, since it uses less digits than its factorization.

973121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31422.

The product of its digits is 378, while the sum is 23.

The square root of 973121 is about 986.4689554162. The cubic root of 973121 is about 99.0958837055.

The spelling of 973121 in words is "nine hundred seventy-three thousand, one hundred twenty-one".