803989121 has 8 divisors (see below), whose sum is σ = 872653824. Its totient is φ = 736298640.

The previous prime is 803989117. The next prime is 803989139. The reversal of 803989121 is 121989308.

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

It is a cyclic number.

It is not a de Polignac number, because 803989121 - 2² = 803989117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (803989141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241835 + ... + 245136.

It is an arithmetic number, because the mean of its divisors is an integer number (109081728).

Almost surely, 2^803989121 is an apocalyptic number.

It is an amenable number.

803989121 is a deficient number, since it is larger than the sum of its proper divisors (68664703).

803989121 is a wasteful number, since it uses less digits than its factorization.

803989121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487111.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 803989121 is about 28354.7019204928. The cubic root of 803989121 is about 929.8581974416.

The spelling of 803989121 in words is "eight hundred three million, nine hundred eighty-nine thousand, one hundred twenty-one".