214867129 has 2 divisors, whose sum is σ = 214867130. Its totient is φ = 214867128.

The previous prime is 214867073. The next prime is 214867153. The reversal of 214867129 is 921768412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202777600 + 12089529 = 14240^2 + 3477^2 .

It is a cyclic number.

It is not a de Polignac number, because 214867129 - 2¹⁷ = 214736057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214867091 and 214867100.

It is not a weakly prime, because it can be changed into another prime (214867189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107433564 + 107433565.

It is an arithmetic number, because the mean of its divisors is an integer number (107433565).

Almost surely, 2^214867129 is an apocalyptic number.

It is an amenable number.

214867129 is a deficient number, since it is larger than the sum of its proper divisors (1).

214867129 is an equidigital number, since it uses as much as digits as its factorization.

214867129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 40.

The square root of 214867129 is about 14658.3467348811. The cubic root of 214867129 is about 598.9492061652.

The spelling of 214867129 in words is "two hundred fourteen million, eight hundred sixty-seven thousand, one hundred twenty-nine".