106421179 has 2 divisors, whose sum is σ = 106421180. Its totient is φ = 106421178.

The previous prime is 106421177. The next prime is 106421209. The reversal of 106421179 is 971124601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106421179 - 2¹ = 106421177 is a prime.

It is a super-2 number, since 2×106421179² = 22650934679500082, which contains 22 as substring.

Together with 106421177, 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 106421179.

It is not a weakly prime, because it can be changed into another prime (106421177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53210589 + 53210590.

It is an arithmetic number, because the mean of its divisors is an integer number (53210590).

Almost surely, 2^106421179 is an apocalyptic number.

106421179 is a deficient number, since it is larger than the sum of its proper divisors (1).

106421179 is an equidigital number, since it uses as much as digits as its factorization.

106421179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 106421179 is about 10316.0641234921. The cubic root of 106421179 is about 473.8883388696. Note that the first 3 decimals are identical.

The spelling of 106421179 in words is "one hundred six million, four hundred twenty-one thousand, one hundred seventy-nine".