1081797 has 8 divisors (see below), whose sum is σ = 1450080. Its totient is φ = 717360.

The previous prime is 1081793. The next prime is 1081813. The reversal of 1081797 is 7971801.

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

It is not a de Polignac number, because 1081797 - 2² = 1081793 is a prime.

1081797 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222 + ... + 1487.

It is an arithmetic number, because the mean of its divisors is an integer number (181260).

2^1081797 is an apocalyptic number.

It is an amenable number.

1081797 is a deficient number, since it is larger than the sum of its proper divisors (368283).

1081797 is a wasteful number, since it uses less digits than its factorization.

1081797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923.

The product of its (nonzero) digits is 3528, while the sum is 33.

The square root of 1081797 is about 1040.0947072262. The cubic root of 1081797 is about 102.6554294685.

The spelling of 1081797 in words is "one million, eighty-one thousand, seven hundred ninety-seven".