105420673 has 2 divisors, whose sum is σ = 105420674. Its totient is φ = 105420672.

The previous prime is 105420647. The next prime is 105420697. The reversal of 105420673 is 376024501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91929744 + 13490929 = 9588^2 + 3673^2 .

It is an emirp because it is prime and its reverse (376024501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105420673 - 2⁵ = 105420641 is a prime.

It is a super-2 number, since 2×105420673² = 22227036591545858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105420643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52710336 + 52710337.

It is an arithmetic number, because the mean of its divisors is an integer number (52710337).

Almost surely, 2^105420673 is an apocalyptic number.

It is an amenable number.

105420673 is a deficient number, since it is larger than the sum of its proper divisors (1).

105420673 is an equidigital number, since it uses as much as digits as its factorization.

105420673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 105420673 is about 10267.4569879791. The cubic root of 105420673 is about 472.3985923114.

The spelling of 105420673 in words is "one hundred five million, four hundred twenty thousand, six hundred seventy-three".