1089503 has 2 divisors, whose sum is σ = 1089504. Its totient is φ = 1089502.

The previous prime is 1089497. The next prime is 1089509. The reversal of 1089503 is 3059801.

It is a balanced prime because it is at equal distance from previous prime (1089497) and next prime (1089509).

It is a cyclic number.

It is not a de Polignac number, because 1089503 - 2¹² = 1085407 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1089509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544751 + 544752.

It is an arithmetic number, because the mean of its divisors is an integer number (544752).

2^1089503 is an apocalyptic number.

1089503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089503 is an equidigital number, since it uses as much as digits as its factorization.

1089503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1089503 is about 1043.7926039209. The cubic root of 1089503 is about 102.8986025726.

The spelling of 1089503 in words is "one million, eighty-nine thousand, five hundred three".