105959899 has 4 divisors (see below), whose sum is σ = 106146040. Its totient is φ = 105773760.

The previous prime is 105959851. The next prime is 105959921. The reversal of 105959899 is 998959501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 998959501 = 139 ⋅7186759.

It is a cyclic number.

It is not a de Polignac number, because 105959899 - 2⁹ = 105959387 is a prime.

It is a super-2 number, since 2×105959899² = 22455000392180402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105959809) 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, 92214 + ... + 93355.

It is an arithmetic number, because the mean of its divisors is an integer number (26536510).

Almost surely, 2^105959899 is an apocalyptic number.

105959899 is a deficient number, since it is larger than the sum of its proper divisors (186141).

105959899 is an equidigital number, since it uses as much as digits as its factorization.

105959899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186140.

The product of its (nonzero) digits is 1312200, while the sum is 55.

The square root of 105959899 is about 10293.6824800457. The cubic root of 105959899 is about 473.2026614207.

The spelling of 105959899 in words is "one hundred five million, nine hundred fifty-nine thousand, eight hundred ninety-nine".