10081291 has 8 divisors (see below), whose sum is σ = 11476224. Its totient is φ = 8766120.

The previous prime is 10081277. The next prime is 10081303. The reversal of 10081291 is 19218001.

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

It is not a de Polignac number, because 10081291 - 2¹⁹ = 9557003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10081261) 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 in 7 ways as a sum of consecutive naturals, for example, 19671 + ... + 20176.

It is an arithmetic number, because the mean of its divisors is an integer number (1434528).

Almost surely, 2^10081291 is an apocalyptic number.

10081291 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10081291 is a deficient number, since it is larger than the sum of its proper divisors (1394933).

10081291 is a wasteful number, since it uses less digits than its factorization.

10081291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39881.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 10081291 is about 3175.1048801575. The cubic root of 10081291 is about 216.0256813886.

Adding to 10081291 its reverse (19218001), we get a palindrome (29299292).

The spelling of 10081291 in words is "ten million, eighty-one thousand, two hundred ninety-one".