80122681 has 4 divisors (see below), whose sum is σ = 80195152. Its totient is φ = 80050212.

The previous prime is 80122667. The next prime is 80122699. The reversal of 80122681 is 18622108.

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 80122681 - 2¹⁷ = 79991609 is a prime.

It is a super-2 number, since 2×80122681² = 12839288021255522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80122181) 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, 34551 + ... + 36796.

It is an arithmetic number, because the mean of its divisors is an integer number (20048788).

Almost surely, 2^80122681 is an apocalyptic number.

It is an amenable number.

80122681 is a deficient number, since it is larger than the sum of its proper divisors (72471).

80122681 is a wasteful number, since it uses less digits than its factorization.

80122681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72470.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 80122681 is about 8951.1273591654. The cubic root of 80122681 is about 431.1070823485.

Adding to 80122681 its reverse (18622108), we get a palindrome (98744789).

The spelling of 80122681 in words is "eighty million, one hundred twenty-two thousand, six hundred eighty-one".