1098043 has 4 divisors (see below), whose sum is σ = 1145808. Its totient is φ = 1050280.

The previous prime is 1098037. The next prime is 1098073. The reversal of 1098043 is 3408901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3408901 = 401 ⋅8501.

It is a cyclic number.

It is not a de Polignac number, because 1098043 - 2¹⁷ = 966971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1097999 and 1098017.

It is not an unprimeable number, because it can be changed into a prime (1098023) 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, 23848 + ... + 23893.

It is an arithmetic number, because the mean of its divisors is an integer number (286452).

2^1098043 is an apocalyptic number.

1098043 is a deficient number, since it is larger than the sum of its proper divisors (47765).

1098043 is an equidigital number, since it uses as much as digits as its factorization.

1098043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47764.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1098043 is about 1047.8754697005. The cubic root of 1098043 is about 103.1667578670.

The spelling of 1098043 in words is "one million, ninety-eight thousand, forty-three".