1098103 has 4 divisors (see below), whose sum is σ = 1124928. Its totient is φ = 1071280.

The previous prime is 1098101. The next prime is 1098109. The reversal of 1098103 is 3018901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3018901 = 43 ⋅70207.

It is a cyclic number.

It is not a de Polignac number, because 1098103 - 2¹ = 1098101 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13351 + ... + 13432.

It is an arithmetic number, because the mean of its divisors is an integer number (281232).

2^1098103 is an apocalyptic number.

1098103 is a deficient number, since it is larger than the sum of its proper divisors (26825).

1098103 is an equidigital number, since it uses as much as digits as its factorization.

1098103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26824.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1098103 is about 1047.9040986655. The cubic root of 1098103 is about 103.1686369351.

The spelling of 1098103 in words is "one million, ninety-eight thousand, one hundred three".