105054947 has 2 divisors, whose sum is σ = 105054948. Its totient is φ = 105054946.

The previous prime is 105054923. The next prime is 105054973. The reversal of 105054947 is 749450501.

It is a weak prime.

It is an emirp because it is prime and its reverse (749450501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105054947 is a prime.

It is a super-2 number, since 2×105054947² = 22073083778345618, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (105054347) 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, 52527473 + 52527474.

It is an arithmetic number, because the mean of its divisors is an integer number (52527474).

Almost surely, 2^105054947 is an apocalyptic number.

105054947 is a deficient number, since it is larger than the sum of its proper divisors (1).

105054947 is an equidigital number, since it uses as much as digits as its factorization.

105054947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 105054947 is about 10249.6315543536. The cubic root of 105054947 is about 471.8516767385.

The spelling of 105054947 in words is "one hundred five million, fifty-four thousand, nine hundred forty-seven".