1056003 has 8 divisors (see below), whose sum is σ = 1516368. Its totient is φ = 649824.

The previous prime is 1055981. The next prime is 1056007. The reversal of 1056003 is 3006501.

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

It is not a de Polignac number, because 1056003 - 2⁶ = 1055939 is a prime.

It is a super-2 number, since 2×1056003² = 2230284672018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13500 + ... + 13577.

It is an arithmetic number, because the mean of its divisors is an integer number (189546).

2^1056003 is an apocalyptic number.

1056003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1056003 is a deficient number, since it is larger than the sum of its proper divisors (460365).

1056003 is a wasteful number, since it uses less digits than its factorization.

1056003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27093.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1056003 is about 1027.6200659777. The cubic root of 1056003 is about 101.8329638257.

The spelling of 1056003 in words is "one million, fifty-six thousand, three".