4340032121 has 2 divisors, whose sum is σ = 4340032122. Its totient is φ = 4340032120.

The previous prime is 4340032063. The next prime is 4340032139. The reversal of 4340032121 is 1212300434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4101762025 + 238270096 = 64045^2 + 15436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4340032121 is a prime.

It is a super-2 number, since 2×4340032121² = 37671757622623517282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4340032093 and 4340032102.

It is not a weakly prime, because it can be changed into another prime (4340032141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2170016060 + 2170016061.

It is an arithmetic number, because the mean of its divisors is an integer number (2170016061).

Almost surely, 2^4340032121 is an apocalyptic number.

It is an amenable number.

4340032121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4340032121 is an equidigital number, since it uses as much as digits as its factorization.

4340032121 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 4340032121 is about 65878.9201566024. The cubic root of 4340032121 is about 1631.1640750658.

Adding to 4340032121 its reverse (1212300434), we get a palindrome (5552332555).

The spelling of 4340032121 in words is "four billion, three hundred forty million, thirty-two thousand, one hundred twenty-one".