965121 has 4 divisors (see below), whose sum is σ = 1286832. Its totient is φ = 643412.

The previous prime is 965117. The next prime is 965131. The reversal of 965121 is 121569.

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 965121 - 2² = 965117 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 965091 and 965100.

It is not an unprimeable number, because it can be changed into a prime (965101) 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, 160851 + ... + 160856.

It is an arithmetic number, because the mean of its divisors is an integer number (321708).

2⁹⁶⁵¹²¹ is an apocalyptic number.

It is an amenable number.

965121 is a deficient number, since it is larger than the sum of its proper divisors (321711).

965121 is a wasteful number, since it uses less digits than its factorization.

965121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321710.

The product of its digits is 540, while the sum is 24.

The square root of 965121 is about 982.4057206674. The cubic root of 965121 is about 98.8235813283.

The spelling of 965121 in words is "nine hundred sixty-five thousand, one hundred twenty-one".