969121 has 4 divisors (see below), whose sum is σ = 980100. Its totient is φ = 958144.

The previous prime is 969113. The next prime is 969131. The reversal of 969121 is 121969.

969121 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 an emirpimes, since its reverse is a distinct semiprime: 121969 = 23 ⋅5303.

It can be written as a sum of positive squares in 2 ways, for example, as 93025 + 876096 = 305^2 + 936^2 .

It is a cyclic number.

It is not a de Polignac number, because 969121 - 2³ = 969113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 969121.

It is not an unprimeable number, because it can be changed into a prime (969131) 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, 5356 + ... + 5533.

It is an arithmetic number, because the mean of its divisors is an integer number (245025).

2⁹⁶⁹¹²¹ is an apocalyptic number.

It is an amenable number.

969121 is a deficient number, since it is larger than the sum of its proper divisors (10979).

969121 is a wasteful number, since it uses less digits than its factorization.

969121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10978.

The product of its digits is 972, while the sum is 28.

The square root of 969121 is about 984.4394343991. The cubic root of 969121 is about 98.9599198367.

The spelling of 969121 in words is "nine hundred sixty-nine thousand, one hundred twenty-one".