105868849 has 2 divisors, whose sum is σ = 105868850. Its totient is φ = 105868848.

The previous prime is 105868787. The next prime is 105868853. The reversal of 105868849 is 948868501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103388224 + 2480625 = 10168^2 + 1575^2 .

It is a cyclic number.

It is not a de Polignac number, because 105868849 - 2¹⁷ = 105737777 is a prime.

It is a super-2 number, since 2×105868849² = 22416426377169602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105868249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52934424 + 52934425.

It is an arithmetic number, because the mean of its divisors is an integer number (52934425).

Almost surely, 2^105868849 is an apocalyptic number.

It is an amenable number.

105868849 is a deficient number, since it is larger than the sum of its proper divisors (1).

105868849 is an equidigital number, since it uses as much as digits as its factorization.

105868849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 49.

The square root of 105868849 is about 10289.2589140326. The cubic root of 105868849 is about 473.0670835608.

The spelling of 105868849 in words is "one hundred five million, eight hundred sixty-eight thousand, eight hundred forty-nine".