1080455 has 4 divisors (see below), whose sum is σ = 1296552. Its totient is φ = 864360.

The previous prime is 1080451. The next prime is 1080463. The reversal of 1080455 is 5540801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5540801 = 7 ⋅791543.

It is not a de Polignac number, because 1080455 - 2² = 1080451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1080455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080451) 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, 108041 + ... + 108050.

It is an arithmetic number, because the mean of its divisors is an integer number (324138).

2^1080455 is an apocalyptic number.

1080455 is a deficient number, since it is larger than the sum of its proper divisors (216097).

1080455 is an equidigital number, since it uses as much as digits as its factorization.

1080455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216096.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1080455 is about 1039.4493734665. The cubic root of 1080455 is about 102.6129629084.

It can be divided in two parts, 108045 and 5, that multiplied together give a square (540225 = 735²).

The spelling of 1080455 in words is "one million, eighty thousand, four hundred fifty-five".