10840117 has 2 divisors, whose sum is σ = 10840118. Its totient is φ = 10840116.

The previous prime is 10840097. The next prime is 10840147. The reversal of 10840117 is 71104801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10536516 + 303601 = 3246^2 + 551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10840117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10840147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5420058 + 5420059.

It is an arithmetic number, because the mean of its divisors is an integer number (5420059).

Almost surely, 2^10840117 is an apocalyptic number.

It is an amenable number.

10840117 is a deficient number, since it is larger than the sum of its proper divisors (1).

10840117 is an equidigital number, since it uses as much as digits as its factorization.

10840117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 10840117 is about 3292.4332946925. The cubic root of 10840117 is about 221.3152411685.

Adding to 10840117 its reverse (71104801), we get a palindrome (81944918).

The spelling of 10840117 in words is "ten million, eight hundred forty thousand, one hundred seventeen".