105899117 has 4 divisors (see below), whose sum is σ = 106176000. Its totient is φ = 105622236.

The previous prime is 105899099. The next prime is 105899149. The reversal of 105899117 is 711998501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105899117 - 2⁸ = 105898861 is a prime.

It is a super-2 number, since 2×105899117² = 22429245962759378, 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 (105899197) 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, 137867 + ... + 138632.

It is an arithmetic number, because the mean of its divisors is an integer number (26544000).

Almost surely, 2^105899117 is an apocalyptic number.

It is an amenable number.

105899117 is a deficient number, since it is larger than the sum of its proper divisors (276883).

105899117 is an equidigital number, since it uses as much as digits as its factorization.

105899117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276882.

The product of its (nonzero) digits is 22680, while the sum is 41.

The square root of 105899117 is about 10290.7296631483. The cubic root of 105899117 is about 473.1121627012.

The spelling of 105899117 in words is "one hundred five million, eight hundred ninety-nine thousand, one hundred seventeen".