1089003 has 16 divisors (see below), whose sum is σ = 1558656. Its totient is φ = 673920.

The previous prime is 1088993. The next prime is 1089017. The reversal of 1089003 is 3009801.

It is not a de Polignac number, because 1089003 - 2⁴ = 1088987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1089103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6600 + ... + 6762.

It is an arithmetic number, because the mean of its divisors is an integer number (97416).

2^1089003 is an apocalyptic number.

1089003 is a deficient number, since it is larger than the sum of its proper divisors (469653).

1089003 is a wasteful number, since it uses less digits than its factorization.

1089003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1089003 is about 1043.5530652535. The cubic root of 1089003 is about 102.8828592555.

The spelling of 1089003 in words is "one million, eighty-nine thousand, three".