1081417171 has 4 divisors (see below), whose sum is σ = 1083359232. Its totient is φ = 1079475112.

The previous prime is 1081417159. The next prime is 1081417187. The reversal of 1081417171 is 1717141801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1717141801 = 31 ⋅55391671.

It is a cyclic number.

It is not a de Polignac number, because 1081417171 - 2¹¹ = 1081415123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081417121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 970195 + ... + 971308.

It is an arithmetic number, because the mean of its divisors is an integer number (270839808).

Almost surely, 2^1081417171 is an apocalyptic number.

1081417171 is a deficient number, since it is larger than the sum of its proper divisors (1942061).

1081417171 is an equidigital number, since it uses as much as digits as its factorization.

1081417171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942060.

The product of its (nonzero) digits is 1568, while the sum is 31.

The square root of 1081417171 is about 32884.9079518250. The cubic root of 1081417171 is about 1026.4341363642.

Adding to 1081417171 its reverse (1717141801), we get a palindrome (2798558972).

The spelling of 1081417171 in words is "one billion, eighty-one million, four hundred seventeen thousand, one hundred seventy-one".