1081266 has 8 divisors (see below), whose sum is σ = 2162544. Its totient is φ = 360420.

The previous prime is 1081247. The next prime is 1081277. The reversal of 1081266 is 6621801.

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

1081266 is an admirable number.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90100 + ... + 90111.

It is an arithmetic number, because the mean of its divisors is an integer number (270318).

2^1081266 is an apocalyptic number.

1081266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1081266 is a wasteful number, since it uses less digits than its factorization.

1081266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180216.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1081266 is about 1039.8394106784. The cubic root of 1081266 is about 102.6386305823.

It can be divided in two parts, 10812 and 66, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 1081266 in words is "one million, eighty-one thousand, two hundred sixty-six".