803000121 has 32 divisors (see below), whose sum is σ = 1336473600. Its totient is φ = 416638080.

The previous prime is 803000119. The next prime is 803000137. The reversal of 803000121 is 121000308.

It is a happy number.

It is not a de Polignac number, because 803000121 - 2¹ = 803000119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 803000121.

It is not an unprimeable number, because it can be changed into a prime (803000101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 259260 + ... + 262338.

It is an arithmetic number, because the mean of its divisors is an integer number (41764800).

Almost surely, 2^803000121 is an apocalyptic number.

It is an amenable number.

803000121 is a deficient number, since it is larger than the sum of its proper divisors (533473479).

803000121 is a wasteful number, since it uses less digits than its factorization.

803000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4229.

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

The square root of 803000121 is about 28337.2567656081. The cubic root of 803000121 is about 929.4767631348.

Adding to 803000121 its reverse (121000308), we get a palindrome (924000429).

The spelling of 803000121 in words is "eight hundred three million, one hundred twenty-one", and thus it is an aban number.