105671199 has 4 divisors (see below), whose sum is σ = 140894936. Its totient is φ = 70447464.

The previous prime is 105671197. The next prime is 105671207. The reversal of 105671199 is 991176501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 105671199 - 2¹ = 105671197 is a prime.

It is a super-2 number, since 2×105671199² = 22332804596195202, 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 (105671197) 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, 17611864 + ... + 17611869.

It is an arithmetic number, because the mean of its divisors is an integer number (35223734).

Almost surely, 2^105671199 is an apocalyptic number.

105671199 is a deficient number, since it is larger than the sum of its proper divisors (35223737).

105671199 is an equidigital number, since it uses as much as digits as its factorization.

105671199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35223736.

The product of its (nonzero) digits is 17010, while the sum is 39.

The square root of 105671199 is about 10279.6497508427. The cubic root of 105671199 is about 472.7725053869.

The spelling of 105671199 in words is "one hundred five million, six hundred seventy-one thousand, one hundred ninety-nine".