354330121 has 2 divisors, whose sum is σ = 354330122. Its totient is φ = 354330120.

The previous prime is 354330113. The next prime is 354330131. The reversal of 354330121 is 121033453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235192896 + 119137225 = 15336^2 + 10915^2 .

It is a cyclic number.

It is not a de Polignac number, because 354330121 - 2³ = 354330113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 354330092 and 354330101.

It is not a weakly prime, because it can be changed into another prime (354330131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177165060 + 177165061.

It is an arithmetic number, because the mean of its divisors is an integer number (177165061).

Almost surely, 2^354330121 is an apocalyptic number.

It is an amenable number.

354330121 is a deficient number, since it is larger than the sum of its proper divisors (1).

354330121 is an equidigital number, since it uses as much as digits as its factorization.

354330121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 354330121 is about 18823.6585445019. The cubic root of 354330121 is about 707.6242227157.

Adding to 354330121 its reverse (121033453), we get a palindrome (475363574).

The spelling of 354330121 in words is "three hundred fifty-four million, three hundred thirty thousand, one hundred twenty-one".