353321121 has 8 divisors (see below), whose sum is σ = 474096064. Its totient is φ = 234046800.

The previous prime is 353321077. The next prime is 353321141. The reversal of 353321121 is 121123353.

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

It is not a de Polignac number, because 353321121 - 2²⁷ = 219103393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (353321141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374605 + ... + 375546.

It is an arithmetic number, because the mean of its divisors is an integer number (59262008).

Almost surely, 2^353321121 is an apocalyptic number.

It is an amenable number.

353321121 is a deficient number, since it is larger than the sum of its proper divisors (120774943).

353321121 is a wasteful number, since it uses less digits than its factorization.

353321121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750311.

The product of its digits is 540, while the sum is 21.

The square root of 353321121 is about 18796.8380585672. The cubic root of 353321121 is about 706.9519008695.

Adding to 353321121 its reverse (121123353), we get a palindrome (474444474).

The spelling of 353321121 in words is "three hundred fifty-three million, three hundred twenty-one thousand, one hundred twenty-one".