803121 has 8 divisors (see below), whose sum is σ = 1168224. Its totient is φ = 486720.

The previous prime is 803119. The next prime is 803141. The reversal of 803121 is 121308.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 803121 - 2¹ = 803119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 803121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (803141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12136 + ... + 12201.

It is an arithmetic number, because the mean of its divisors is an integer number (146028).

2⁸⁰³¹²¹ is an apocalyptic number.

It is an amenable number.

803121 is a deficient number, since it is larger than the sum of its proper divisors (365103).

803121 is a wasteful number, since it uses less digits than its factorization.

803121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24351.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 803121 is about 896.1701847306. The cubic root of 803121 is about 92.9523400149.

Adding to 803121 its reverse (121308), we get a palindrome (924429).

The spelling of 803121 in words is "eight hundred three thousand, one hundred twenty-one".