105019867 has 2 divisors, whose sum is σ = 105019868. Its totient is φ = 105019866.

The previous prime is 105019853. The next prime is 105019877. The reversal of 105019867 is 768910501.

It is a strong prime.

It is an emirp because it is prime and its reverse (768910501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105019867 - 2¹¹ = 105017819 is a prime.

It is a super-2 number, since 2×105019867² = 22058344929395378, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105019807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52509933 + 52509934.

It is an arithmetic number, because the mean of its divisors is an integer number (52509934).

Almost surely, 2^105019867 is an apocalyptic number.

105019867 is a deficient number, since it is larger than the sum of its proper divisors (1).

105019867 is an equidigital number, since it uses as much as digits as its factorization.

105019867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 105019867 is about 10247.9201304460. The cubic root of 105019867 is about 471.7991505763.

The spelling of 105019867 in words is "one hundred five million, nineteen thousand, eight hundred sixty-seven".