106271381 has 2 divisors, whose sum is σ = 106271382. Its totient is φ = 106271380.

The previous prime is 106271359. The next prime is 106271387. The reversal of 106271381 is 183172601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92948881 + 13322500 = 9641^2 + 3650^2 .

It is an emirp because it is prime and its reverse (183172601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106271381 - 2¹⁸ = 106009237 is a prime.

It is a super-2 number, since 2×106271381² = 22587212839294322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106271387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53135690 + 53135691.

It is an arithmetic number, because the mean of its divisors is an integer number (53135691).

Almost surely, 2^106271381 is an apocalyptic number.

It is an amenable number.

106271381 is a deficient number, since it is larger than the sum of its proper divisors (1).

106271381 is an equidigital number, since it uses as much as digits as its factorization.

106271381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 106271381 is about 10308.8011427130. The cubic root of 106271381 is about 473.6658867244.

The spelling of 106271381 in words is "one hundred six million, two hundred seventy-one thousand, three hundred eighty-one".