1081081 has 8 divisors (see below), whose sum is σ = 1205280. Its totient is φ = 963648.

The previous prime is 1081079. The next prime is 1081097. The reversal of 1081081 is 1801801.

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

It is a cyclic number.

It is not a de Polignac number, because 1081081 - 2¹ = 1081079 is a prime.

It is a super-2 number, since 2×1081081² = 2337472257122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351 + ... + 1996.

It is an arithmetic number, because the mean of its divisors is an integer number (150660).

2^1081081 is an apocalyptic number.

It is an amenable number.

1081081 is a deficient number, since it is larger than the sum of its proper divisors (124199).

1081081 is a wasteful number, since it uses less digits than its factorization.

1081081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3383.

The product of its (nonzero) digits is 64, while the sum is 19.

The square root of 1081081 is about 1039.7504508294. The cubic root of 1081081 is about 102.6327765711.

Adding to 1081081 its reverse (1801801), we get a palindrome (2882882).

The spelling of 1081081 in words is "one million, eighty-one thousand, eighty-one".