105520937 has 4 divisors (see below), whose sum is σ = 109159620. Its totient is φ = 101882256.

The previous prime is 105520907. The next prime is 105520949. The reversal of 105520937 is 739025501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31147561 + 74373376 = 5581^2 + 8624^2 .

It is a cyclic number.

It is not a de Polignac number, because 105520937 - 2⁶ = 105520873 is a prime.

It is a super-2 number, since 2×105520937² = 22269336290715938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105520907) 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, 1819298 + ... + 1819355.

It is an arithmetic number, because the mean of its divisors is an integer number (27289905).

Almost surely, 2^105520937 is an apocalyptic number.

It is an amenable number.

105520937 is a deficient number, since it is larger than the sum of its proper divisors (3638683).

105520937 is an equidigital number, since it uses as much as digits as its factorization.

105520937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3638682.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 105520937 is about 10272.3384387393. The cubic root of 105520937 is about 472.5483085645.

The spelling of 105520937 in words is "one hundred five million, five hundred twenty thousand, nine hundred thirty-seven".