105054839 has 2 divisors, whose sum is σ = 105054840. Its totient is φ = 105054838.

The previous prime is 105054827. The next prime is 105054863. The reversal of 105054839 is 938450501.

It is a weak prime.

It is an emirp because it is prime and its reverse (938450501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105054839 - 2¹⁶ = 104989303 is a prime.

It is a super-2 number, since 2×105054839² = 22073038394631842, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 105054799 and 105054808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105054809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52527419 + 52527420.

It is an arithmetic number, because the mean of its divisors is an integer number (52527420).

Almost surely, 2^105054839 is an apocalyptic number.

105054839 is a deficient number, since it is larger than the sum of its proper divisors (1).

105054839 is an equidigital number, since it uses as much as digits as its factorization.

105054839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 105054839 is about 10249.6262858701. The cubic root of 105054839 is about 471.8515150454.

The spelling of 105054839 in words is "one hundred five million, fifty-four thousand, eight hundred thirty-nine".