1098113 has 4 divisors (see below), whose sum is σ = 1133568. Its totient is φ = 1062660.

The previous prime is 1098109. The next prime is 1098121. The reversal of 1098113 is 3118901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1098113 - 2² = 1098109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1098133) 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, 17681 + ... + 17742.

It is an arithmetic number, because the mean of its divisors is an integer number (283392).

2^1098113 is an apocalyptic number.

It is an amenable number.

1098113 is a deficient number, since it is larger than the sum of its proper divisors (35455).

1098113 is an equidigital number, since it uses as much as digits as its factorization.

1098113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35454.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1098113 is about 1047.9088700837. The cubic root of 1098113 is about 103.1689501065.

The spelling of 1098113 in words is "one million, ninety-eight thousand, one hundred thirteen".