105219799 has 8 divisors (see below), whose sum is σ = 107274240. Its totient is φ = 103181400.

The previous prime is 105219767. The next prime is 105219809. The reversal of 105219799 is 997912501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105219799 - 2⁵ = 105219767 is a prime.

It is a super-2 number, since 2×105219799² = 22142412203200802, 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 (105216799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9682 + ... + 17440.

It is an arithmetic number, because the mean of its divisors is an integer number (13409280).

Almost surely, 2^105219799 is an apocalyptic number.

105219799 is a deficient number, since it is larger than the sum of its proper divisors (2054441).

105219799 is an equidigital number, since it uses as much as digits as its factorization.

105219799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8021.

The product of its (nonzero) digits is 51030, while the sum is 43.

The square root of 105219799 is about 10257.6702520602. The cubic root of 105219799 is about 472.0983573034.

The spelling of 105219799 in words is "one hundred five million, two hundred nineteen thousand, seven hundred ninety-nine".