1080993 has 8 divisors (see below), whose sum is σ = 1449568. Its totient is φ = 716544.

The previous prime is 1080983. The next prime is 1081027. The reversal of 1080993 is 3990801.

It is a happy number.

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

It is not a de Polignac number, because 1080993 - 2⁹ = 1080481 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1080993.

It is not an unprimeable number, because it can be changed into a prime (1080913) 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, 355 + ... + 1512.

It is an arithmetic number, because the mean of its divisors is an integer number (181196).

2^1080993 is an apocalyptic number.

It is an amenable number.

1080993 is a deficient number, since it is larger than the sum of its proper divisors (368575).

1080993 is a wasteful number, since it uses less digits than its factorization.

1080993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1080993 is about 1039.7081321217. The cubic root of 1080993 is about 102.6299917260.

It can be divided in two parts, 10 and 80993, that added together give a triangular number (81003 = T₄₀₂).

The spelling of 1080993 in words is "one million, eighty thousand, nine hundred ninety-three".