1081776 has 40 divisors (see below), whose sum is σ = 2888704. Its totient is φ = 348480.

The previous prime is 1081771. The next prime is 1081777. The reversal of 1081776 is 6771801.

It is not an unprimeable number, because it can be changed into a prime (1081771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1125 + ... + 1851.

2^1081776 is an apocalyptic number.

1081776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1081776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1444352).

1081776 is an abundant number, since it is smaller than the sum of its proper divisors (1806928).

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

1081776 is a wasteful number, since it uses less digits than its factorization.

1081776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 1081776 is about 1040.0846119427. The cubic root of 1081776 is about 102.6547652102.

Adding to 1081776 its product of nonzero digits (2352), we get a triangular number (1084128 = T₁₄₇₂).

The spelling of 1081776 in words is "one million, eighty-one thousand, seven hundred seventy-six".