1081047 has 32 divisors (see below), whose sum is σ = 1741824. Its totient is φ = 588800.

The previous prime is 1081037. The next prime is 1081051. The reversal of 1081047 is 7401801.

It is a cyclic number.

It is not a de Polignac number, because 1081047 - 2⁶ = 1080983 is a prime.

1081047 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081027) 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 31 ways as a sum of consecutive naturals, for example, 22978 + ... + 23024.

It is an arithmetic number, because the mean of its divisors is an integer number (54432).

2^1081047 is an apocalyptic number.

1081047 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1081047 is a deficient number, since it is larger than the sum of its proper divisors (660777).

1081047 is a wasteful number, since it uses less digits than its factorization.

1081047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 1081047 is about 1039.7341006238. The cubic root of 1081047 is about 102.6317006262.

Adding to 1081047 its reverse (7401801), we get a palindrome (8482848).

The spelling of 1081047 in words is "one million, eighty-one thousand, forty-seven".