943121 has 4 divisors (see below), whose sum is σ = 958644. Its totient is φ = 927600.

The previous prime is 943097. The next prime is 943127. The reversal of 943121 is 121349.

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 96721 + 846400 = 311^2 + 920^2 .

It is a cyclic number.

It is not a de Polignac number, because 943121 - 2⁶ = 943057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 943093 and 943102.

It is not an unprimeable number, because it can be changed into a prime (943127) 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, 7670 + ... + 7791.

It is an arithmetic number, because the mean of its divisors is an integer number (239661).

2⁹⁴³¹²¹ is an apocalyptic number.

It is an amenable number.

943121 is a deficient number, since it is larger than the sum of its proper divisors (15523).

943121 is a wasteful number, since it uses less digits than its factorization.

943121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15522.

The product of its digits is 216, while the sum is 20.

The square root of 943121 is about 971.1441705535. The cubic root of 943121 is about 98.0669055828.

The spelling of 943121 in words is "nine hundred forty-three thousand, one hundred twenty-one".