333121401 has 12 divisors (see below), whose sum is σ = 485435028. Its totient is φ = 220114944.

The previous prime is 333121367. The next prime is 333121403. The reversal of 333121401 is 104121333.

It can be written as a sum of positive squares in 2 ways, for example, as 3154176 + 329967225 = 1776^2 + 18165^2 .

It is not a de Polignac number, because 333121401 - 2⁶ = 333121337 is a prime.

It is a super-2 number, since 2×333121401² = 221939735608405602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (333121403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162760 + ... + 164793.

It is an arithmetic number, because the mean of its divisors is an integer number (40452919).

Almost surely, 2^333121401 is an apocalyptic number.

It is an amenable number.

333121401 is a deficient number, since it is larger than the sum of its proper divisors (152313627).

333121401 is a wasteful number, since it uses less digits than its factorization.

333121401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327672 (or 327669 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 333121401 is about 18251.6136546882. The cubic root of 333121401 is about 693.2142975244.

Adding to 333121401 its reverse (104121333), we get a palindrome (437242734).

The spelling of 333121401 in words is "three hundred thirty-three million, one hundred twenty-one thousand, four hundred one".