214612129 has 2 divisors, whose sum is σ = 214612130. Its totient is φ = 214612128.

The previous prime is 214612127. The next prime is 214612133. The reversal of 214612129 is 921216412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209670400 + 4941729 = 14480^2 + 2223^2 .

It is a cyclic number.

It is not a de Polignac number, because 214612129 - 2¹ = 214612127 is a prime.

Together with 214612127, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 214612097 and 214612106.

It is not a weakly prime, because it can be changed into another prime (214612127) 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, 107306064 + 107306065.

It is an arithmetic number, because the mean of its divisors is an integer number (107306065).

Almost surely, 2^214612129 is an apocalyptic number.

It is an amenable number.

214612129 is a deficient number, since it is larger than the sum of its proper divisors (1).

214612129 is an equidigital number, since it uses as much as digits as its factorization.

214612129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 28.

The square root of 214612129 is about 14649.6460366795. The cubic root of 214612129 is about 598.7121720689.

The spelling of 214612129 in words is "two hundred fourteen million, six hundred twelve thousand, one hundred twenty-nine".