1098133 has 2 divisors, whose sum is σ = 1098134. Its totient is φ = 1098132.

The previous prime is 1098121. The next prime is 1098151. The reversal of 1098133 is 3318901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 786769 + 311364 = 887^2 + 558^2 .

It is a cyclic number.

It is not a de Polignac number, because 1098133 - 2⁵ = 1098101 is a prime.

1098133 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1098098 and 1098107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549066 + 549067.

It is an arithmetic number, because the mean of its divisors is an integer number (549067).

2^1098133 is an apocalyptic number.

It is an amenable number.

1098133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098133 is an equidigital number, since it uses as much as digits as its factorization.

1098133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1098133 is about 1047.9184128547. The cubic root of 1098133 is about 103.1695764435.

The spelling of 1098133 in words is "one million, ninety-eight thousand, one hundred thirty-three".