105028849 has 2 divisors, whose sum is σ = 105028850. Its totient is φ = 105028848.

The previous prime is 105028843. The next prime is 105028871. The reversal of 105028849 is 948820501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61732449 + 43296400 = 7857^2 + 6580^2 .

It is a cyclic number.

It is not a de Polignac number, because 105028849 - 2¹⁷ = 104897777 is a prime.

It is a super-2 number, since 2×105028849² = 22062118244529602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105028843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52514424 + 52514425.

It is an arithmetic number, because the mean of its divisors is an integer number (52514425).

Almost surely, 2^105028849 is an apocalyptic number.

It is an amenable number.

105028849 is a deficient number, since it is larger than the sum of its proper divisors (1).

105028849 is an equidigital number, since it uses as much as digits as its factorization.

105028849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 105028849 is about 10248.3583563418. The cubic root of 105028849 is about 471.8126006637.

The spelling of 105028849 in words is "one hundred five million, twenty-eight thousand, eight hundred forty-nine".