1008555 has 16 divisors (see below), whose sum is σ = 1638144. Its totient is φ = 529760.

The previous prime is 1008547. The next prime is 1008563. The reversal of 1008555 is 5558001.

It is an interprime number because it is at equal distance from previous prime (1008547) and next prime (1008563).

It is not a de Polignac number, because 1008555 - 2³ = 1008547 is a prime.

1008555 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592 + ... + 1538.

It is an arithmetic number, because the mean of its divisors is an integer number (102384).

2^1008555 is an apocalyptic number.

1008555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1008555 is a deficient number, since it is larger than the sum of its proper divisors (629589).

1008555 is an equidigital number, since it uses as much as digits as its factorization.

1008555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026.

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

The square root of 1008555 is about 1004.2683904216. The cubic root of 1008555 is about 100.2843573094.

The spelling of 1008555 in words is "one million, eight thousand, five hundred fifty-five".