105090671 has 4 divisors (see below), whose sum is σ = 120103632. Its totient is φ = 90077712.

The previous prime is 105090649. The next prime is 105090677. The reversal of 105090671 is 176090501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176090501 = 1933 ⋅91097.

It is a cyclic number.

It is not a de Polignac number, because 105090671 - 2¹⁴ = 105074287 is a prime.

It is a super-2 number, since 2×105090671² = 22088098262460482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105090677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7506470 + ... + 7506483.

It is an arithmetic number, because the mean of its divisors is an integer number (30025908).

Almost surely, 2^105090671 is an apocalyptic number.

105090671 is a deficient number, since it is larger than the sum of its proper divisors (15012961).

105090671 is an equidigital number, since it uses as much as digits as its factorization.

105090671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15012960.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 105090671 is about 10251.3741030166. The cubic root of 105090671 is about 471.9051551625.

The spelling of 105090671 in words is "one hundred five million, ninety thousand, six hundred seventy-one".