1802133 has 6 divisors (see below), whose sum is σ = 2603094. Its totient is φ = 1201416.

The previous prime is 1802117. The next prime is 1802137. The reversal of 1802133 is 3312081.

It can be written as a sum of positive squares in only one way, i.e., 1695204 + 106929 = 1302^2 + 327^2 .

It is not a de Polignac number, because 1802133 - 2⁴ = 1802117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1802137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100110 + ... + 100127.

It is an arithmetic number, because the mean of its divisors is an integer number (433849).

2^1802133 is an apocalyptic number.

It is an amenable number.

1802133 is a deficient number, since it is larger than the sum of its proper divisors (800961).

1802133 is a wasteful number, since it uses less digits than its factorization.

1802133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200243 (or 200240 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1802133 is about 1342.4354733096. The cubic root of 1802133 is about 121.6920703402.

Adding to 1802133 its sum of digits (18), we get a triangular number (1802151 = T₁₈₉₈).

The spelling of 1802133 in words is "one million, eight hundred two thousand, one hundred thirty-three".