354121 has 2 divisors, whose sum is σ = 354122. Its totient is φ = 354120.

The previous prime is 354097. The next prime is 354139. The reversal of 354121 is 121453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190096 + 164025 = 436^2 + 405^2 .

It is an emirp because it is prime and its reverse (121453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354121 - 2¹¹ = 352073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 354095 and 354104.

It is not a weakly prime, because it can be changed into another prime (354181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177060 + 177061.

It is an arithmetic number, because the mean of its divisors is an integer number (177061).

2³⁵⁴¹²¹ is an apocalyptic number.

It is an amenable number.

354121 is a deficient number, since it is larger than the sum of its proper divisors (1).

354121 is an equidigital number, since it uses as much as digits as its factorization.

354121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120, while the sum is 16.

The square root of 354121 is about 595.0806668007. The cubic root of 354121 is about 70.7484985135.

Adding to 354121 its reverse (121453), we get a palindrome (475574).

The spelling of 354121 in words is "three hundred fifty-four thousand, one hundred twenty-one".