105801137 has 4 divisors (see below), whose sum is σ = 113939700. Its totient is φ = 97662576.

The previous prime is 105801121. The next prime is 105801151. The reversal of 105801137 is 731108501.

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 35509681 + 70291456 = 5959^2 + 8384^2 .

It is a cyclic number.

It is not a de Polignac number, because 105801137 - 2⁴ = 105801121 is a prime.

It is a super-2 number, since 2×105801137² = 22387761180985538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105801187) 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, 4069262 + ... + 4069287.

It is an arithmetic number, because the mean of its divisors is an integer number (28484925).

Almost surely, 2^105801137 is an apocalyptic number.

It is an amenable number.

105801137 is a deficient number, since it is larger than the sum of its proper divisors (8138563).

105801137 is an equidigital number, since it uses as much as digits as its factorization.

105801137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8138562.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 105801137 is about 10285.9679661177. The cubic root of 105801137 is about 472.9662067048.

Adding to 105801137 its reverse (731108501), we get a palindrome (836909638).

The spelling of 105801137 in words is "one hundred five million, eight hundred one thousand, one hundred thirty-seven".