1081790 has 8 divisors (see below), whose sum is σ = 1947240. Its totient is φ = 432712.

The previous prime is 1081789. The next prime is 1081793. The reversal of 1081790 is 971801.

1081790 = 223² + 224² + ... + 242².

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

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54080 + ... + 54099.

It is an arithmetic number, because the mean of its divisors is an integer number (243405).

2^1081790 is an apocalyptic number.

1081790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1081790 is a deficient number, since it is larger than the sum of its proper divisors (865450).

1081790 is a wasteful number, since it uses less digits than its factorization.

1081790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108186.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 1081790 is about 1040.0913421426. The cubic root of 1081790 is about 102.6552080501.

The spelling of 1081790 in words is "one million, eighty-one thousand, seven hundred ninety".