105520007 has 4 divisors (see below), whose sum is σ = 105630096. Its totient is φ = 105409920.

The previous prime is 105519991. The next prime is 105520039. The reversal of 105520007 is 700025501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105520007 - 2⁴ = 105519991 is a prime.

It is a super-2 number, since 2×105520007² = 22268943754560098, 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 (105520087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53594 + ... + 55527.

It is an arithmetic number, because the mean of its divisors is an integer number (26407524).

Almost surely, 2^105520007 is an apocalyptic number.

105520007 is a deficient number, since it is larger than the sum of its proper divisors (110089).

105520007 is an equidigital number, since it uses as much as digits as its factorization.

105520007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110088.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 105520007 is about 10272.2931714394. The cubic root of 105520007 is about 472.5469203053.

Adding to 105520007 its reverse (700025501), we get a palindrome (805545508).

The spelling of 105520007 in words is "one hundred five million, five hundred twenty thousand, seven".