105681267 has 10 divisors (see below), whose sum is σ = 157869668. Its totient is φ = 70454124.

The previous prime is 105681217. The next prime is 105681269. The reversal of 105681267 is 762186501.

It is not a de Polignac number, because 105681267 - 2²⁰ = 104632691 is a prime.

It is a super-2 number, since 2×105681267² = 22337060389450578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105681269) 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 in 9 ways as a sum of consecutive naturals, for example, 652273 + ... + 652434.

Almost surely, 2^105681267 is an apocalyptic number.

105681267 is a deficient number, since it is larger than the sum of its proper divisors (52188401).

105681267 is an equidigital number, since it uses as much as digits as its factorization.

105681267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304719 (or 1304710 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 105681267 is about 10280.1394445795. The cubic root of 105681267 is about 472.7875196402.

The spelling of 105681267 in words is "one hundred five million, six hundred eighty-one thousand, two hundred sixty-seven".