105054979 has 2 divisors, whose sum is σ = 105054980. Its totient is φ = 105054978.

The previous prime is 105054973. The next prime is 105055021. The reversal of 105054979 is 979450501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105054979 - 2⁵ = 105054947 is a prime.

It is a super-3 number, since 3×105054979³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105054973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52527489 + 52527490.

It is an arithmetic number, because the mean of its divisors is an integer number (52527490).

Almost surely, 2^105054979 is an apocalyptic number.

105054979 is a deficient number, since it is larger than the sum of its proper divisors (1).

105054979 is an equidigital number, since it uses as much as digits as its factorization.

105054979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 105054979 is about 10249.6331153852. The cubic root of 105054979 is about 471.8517246476.

The spelling of 105054979 in words is "one hundred five million, fifty-four thousand, nine hundred seventy-nine".