1003055 has 8 divisors (see below), whose sum is σ = 1218672. Its totient is φ = 792448.

The previous prime is 1003049. The next prime is 1003087. The reversal of 1003055 is 5503001.

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

It is a cyclic number.

It is not a de Polignac number, because 1003055 - 2⁴ = 1003039 is a prime.

It is a super-2 number, since 2×1003055² = 2012238666050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 794 + ... + 1623.

It is an arithmetic number, because the mean of its divisors is an integer number (152334).

2^1003055 is an apocalyptic number.

1003055 is a deficient number, since it is larger than the sum of its proper divisors (215617).

1003055 is an equidigital number, since it uses as much as digits as its factorization.

1003055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505.

The product of its (nonzero) digits is 75, while the sum is 14.

The square root of 1003055 is about 1001.5263351505. The cubic root of 1003055 is about 100.1017298087.

Adding to 1003055 its reverse (5503001), we get a palindrome (6506056).

The spelling of 1003055 in words is "one million, three thousand, fifty-five".