214120399 has 2 divisors, whose sum is σ = 214120400. Its totient is φ = 214120398.

The previous prime is 214120397. The next prime is 214120421. The reversal of 214120399 is 993021412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214120399 - 2¹ = 214120397 is a prime.

Together with 214120397, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 214120399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214120393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107060199 + 107060200.

It is an arithmetic number, because the mean of its divisors is an integer number (107060200).

Almost surely, 2^214120399 is an apocalyptic number.

214120399 is a deficient number, since it is larger than the sum of its proper divisors (1).

214120399 is an equidigital number, since it uses as much as digits as its factorization.

214120399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 214120399 is about 14632.8534127832. The cubic root of 214120399 is about 598.2545560029.

The spelling of 214120399 in words is "two hundred fourteen million, one hundred twenty thousand, three hundred ninety-nine".