334120421 has 2 divisors, whose sum is σ = 334120422. Its totient is φ = 334120420.

The previous prime is 334120417. The next prime is 334120429. The reversal of 334120421 is 124021433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318801025 + 15319396 = 17855^2 + 3914^2 .

It is a cyclic number.

It is not a de Polignac number, because 334120421 - 2² = 334120417 is a prime.

It is a super-2 number, since 2×334120421² = 223272911458434482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 334120393 and 334120402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (334120429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167060210 + 167060211.

It is an arithmetic number, because the mean of its divisors is an integer number (167060211).

Almost surely, 2^334120421 is an apocalyptic number.

It is an amenable number.

334120421 is a deficient number, since it is larger than the sum of its proper divisors (1).

334120421 is an equidigital number, since it uses as much as digits as its factorization.

334120421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 334120421 is about 18278.9611575713. The cubic root of 334120421 is about 693.9065814787.

Adding to 334120421 its reverse (124021433), we get a palindrome (458141854).

The spelling of 334120421 in words is "three hundred thirty-four million, one hundred twenty thousand, four hundred twenty-one".