812771103 has 8 divisors (see below), whose sum is σ = 1086601648. Its totient is φ = 540393984.

The previous prime is 812771101. The next prime is 812771147. The reversal of 812771103 is 301177218.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 812771103 - 2¹ = 812771101 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812771101) 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 7 ways as a sum of consecutive naturals, for example, 362050 + ... + 364287.

It is an arithmetic number, because the mean of its divisors is an integer number (135825206).

Almost surely, 2^812771103 is an apocalyptic number.

812771103 is a deficient number, since it is larger than the sum of its proper divisors (273830545).

812771103 is a wasteful number, since it uses less digits than its factorization.

812771103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726713.

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 812771103 is about 28509.1406920658. The cubic root of 812771103 is about 933.2315617631.

The spelling of 812771103 in words is "eight hundred twelve million, seven hundred seventy-one thousand, one hundred three".