105930109 has 4 divisors (see below), whose sum is σ = 105979104. Its totient is φ = 105881116.

The previous prime is 105930103. The next prime is 105930119. The reversal of 105930109 is 901039501.

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 105930109 - 2¹¹ = 105928061 is a prime.

It is a super-2 number, since 2×105930109² = 22442375985503762, 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 (105930103) 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, 21097 + ... + 25630.

It is an arithmetic number, because the mean of its divisors is an integer number (26494776).

Almost surely, 2^105930109 is an apocalyptic number.

It is an amenable number.

105930109 is a deficient number, since it is larger than the sum of its proper divisors (48995).

105930109 is an equidigital number, since it uses as much as digits as its factorization.

105930109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48994.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 105930109 is about 10292.2353743004. The cubic root of 105930109 is about 473.1583112194.

The spelling of 105930109 in words is "one hundred five million, nine hundred thirty thousand, one hundred nine".