1080555 has 32 divisors (see below), whose sum is σ = 2032128. Its totient is φ = 480000.

The previous prime is 1080553. The next prime is 1080557. The reversal of 1080555 is 5550801.

It is an interprime number because it is at equal distance from previous prime (1080553) and next prime (1080557).

It is not a de Polignac number, because 1080555 - 2¹ = 1080553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1080553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4180 + ... + 4430.

It is an arithmetic number, because the mean of its divisors is an integer number (63504).

2^1080555 is an apocalyptic number.

1080555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1080555 is a deficient number, since it is larger than the sum of its proper divisors (951573).

1080555 is a wasteful number, since it uses less digits than its factorization.

1080555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 1080555 is about 1039.4974747444. The cubic root of 1080555 is about 102.6161285438.

The spelling of 1080555 in words is "one million, eighty thousand, five hundred fifty-five".