802126081 has 8 divisors (see below), whose sum is σ = 837535104. Its totient is φ = 766761600.

The previous prime is 802126057. The next prime is 802126099. The reversal of 802126081 is 180621208.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-802126081 is a prime.

It is a super-2 number, since 2×802126081² = 1286812499640837122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (802126001) 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, 28756 + ... + 49306.

It is an arithmetic number, because the mean of its divisors is an integer number (104691888).

Almost surely, 2^802126081 is an apocalyptic number.

It is an amenable number.

802126081 is a deficient number, since it is larger than the sum of its proper divisors (35409023).

802126081 is a wasteful number, since it uses less digits than its factorization.

802126081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22271.

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

The square root of 802126081 is about 28321.8304669737. The cubic root of 802126081 is about 929.1394054416.

Adding to 802126081 its reverse (180621208), we get a palindrome (982747289).

The spelling of 802126081 in words is "eight hundred two million, one hundred twenty-six thousand, eighty-one".