105299999 has 8 divisors (see below), whose sum is σ = 121584288. Its totient is φ = 89326080.

The previous prime is 105299993. The next prime is 105300011. The reversal of 105299999 is 999992501.

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 105299999 - 2¹² = 105295903 is a prime.

It is a super-2 number, since 2×105299999² = 22176179578800002, which contains 22 as substring.

105299999 is a modest number, since divided by 99999 gives 1052 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 105299999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105299993) 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, 76862 + ... + 78219.

It is an arithmetic number, because the mean of its divisors is an integer number (15198036).

Almost surely, 2^105299999 is an apocalyptic number.

105299999 is a deficient number, since it is larger than the sum of its proper divisors (16284289).

105299999 is an equidigital number, since it uses as much as digits as its factorization.

105299999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155185.

The product of its (nonzero) digits is 590490, while the sum is 53.

The square root of 105299999 is about 10261.5787771668. The cubic root of 105299999 is about 472.2182734946.

The spelling of 105299999 in words is "one hundred five million, two hundred ninety-nine thousand, nine hundred ninety-nine".