805127041 has 4 divisors (see below), whose sum is σ = 811466752. Its totient is φ = 798787332.

The previous prime is 805127023. The next prime is 805127051. The reversal of 805127041 is 140721508.

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 805127041 - 2¹⁷ = 804995969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (805127051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3169665 + ... + 3169918.

It is an arithmetic number, because the mean of its divisors is an integer number (202866688).

Almost surely, 2^805127041 is an apocalyptic number.

It is an amenable number.

805127041 is a deficient number, since it is larger than the sum of its proper divisors (6339711).

805127041 is a wasteful number, since it uses less digits than its factorization.

805127041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6339710.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 805127041 is about 28374.7606333516. The cubic root of 805127041 is about 930.2966799248.

Adding to 805127041 its reverse (140721508), we get a palindrome (945848549).

The spelling of 805127041 in words is "eight hundred five million, one hundred twenty-seven thousand, forty-one".