105269887 has 2 divisors, whose sum is σ = 105269888. Its totient is φ = 105269886.

The previous prime is 105269867. The next prime is 105269959. The reversal of 105269887 is 788962501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105269887 - 2¹¹ = 105267839 is a prime.

It is a super-2 number, since 2×105269887² = 22163498217985538, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105269867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52634943 + 52634944.

It is an arithmetic number, because the mean of its divisors is an integer number (52634944).

Almost surely, 2^105269887 is an apocalyptic number.

105269887 is a deficient number, since it is larger than the sum of its proper divisors (1).

105269887 is an equidigital number, since it uses as much as digits as its factorization.

105269887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 105269887 is about 10260.1114516364. Note that the first 3 decimals coincide. The cubic root of 105269887 is about 472.1732567411.

The spelling of 105269887 in words is "one hundred five million, two hundred sixty-nine thousand, eight hundred eighty-seven".