214329121 has 2 divisors, whose sum is σ = 214329122. Its totient is φ = 214329120.

The previous prime is 214329119. The next prime is 214329161. The reversal of 214329121 is 121923412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157778721 + 56550400 = 12561^2 + 7520^2 .

It is a cyclic number.

It is not a de Polignac number, because 214329121 - 2¹ = 214329119 is a prime.

Together with 214329119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (214329161) 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, 107164560 + 107164561.

It is an arithmetic number, because the mean of its divisors is an integer number (107164561).

Almost surely, 2^214329121 is an apocalyptic number.

It is an amenable number.

214329121 is a deficient number, since it is larger than the sum of its proper divisors (1).

214329121 is an equidigital number, since it uses as much as digits as its factorization.

214329121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 25.

The square root of 214329121 is about 14639.9836407012. The cubic root of 214329121 is about 598.4488833321.

The spelling of 214329121 in words is "two hundred fourteen million, three hundred twenty-nine thousand, one hundred twenty-one".