105775801 has 4 divisors (see below), whose sum is σ = 106312932. Its totient is φ = 105238672.

The previous prime is 105775783. The next prime is 105775811. The reversal of 105775801 is 108577501.

105775801 = 309² + 310² + ... + 702².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108577501 = 107 ⋅1014743.

It can be written as a sum of positive squares in 2 ways, for example, as 91183401 + 14592400 = 9549^2 + 3820^2 .

It is a cyclic number.

It is not a de Polignac number, because 105775801 - 2¹³ = 105767609 is a prime.

It is a super-2 number, since 2×105775801² = 22377040154383202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105775811) 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, 268270 + ... + 268663.

It is an arithmetic number, because the mean of its divisors is an integer number (26578233).

Almost surely, 2^105775801 is an apocalyptic number.

It is an amenable number.

105775801 is a deficient number, since it is larger than the sum of its proper divisors (537131).

105775801 is an equidigital number, since it uses as much as digits as its factorization.

105775801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537130.

The product of its (nonzero) digits is 9800, while the sum is 34.

The square root of 105775801 is about 10284.7363116416. The cubic root of 105775801 is about 472.9284502471.

The spelling of 105775801 in words is "one hundred five million, seven hundred seventy-five thousand, eight hundred one".