10729181 has 2 divisors, whose sum is σ = 10729182. Its totient is φ = 10729180.

The previous prime is 10729177. The next prime is 10729183. The reversal of 10729181 is 18192701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6175225 + 4553956 = 2485^2 + 2134^2 .

It is a cyclic number.

It is not a de Polignac number, because 10729181 - 2² = 10729177 is a prime.

It is a super-2 number, since 2×10729181² = 230230649861522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 10729183, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10729183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5364590 + 5364591.

It is an arithmetic number, because the mean of its divisors is an integer number (5364591).

Almost surely, 2^10729181 is an apocalyptic number.

It is an amenable number.

10729181 is a deficient number, since it is larger than the sum of its proper divisors (1).

10729181 is an equidigital number, since it uses as much as digits as its factorization.

10729181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 29.

The square root of 10729181 is about 3275.5428557722. The cubic root of 10729181 is about 220.5576829187.

The spelling of 10729181 in words is "ten million, seven hundred twenty-nine thousand, one hundred eighty-one".