1333081 has 4 divisors (see below), whose sum is σ = 1336500. Its totient is φ = 1329664.

The previous prime is 1333027. The next prime is 1333091. The reversal of 1333081 is 1803331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1803331 = 137 ⋅13163.

It can be written as a sum of positive squares in 2 ways, for example, as 292681 + 1040400 = 541^2 + 1020^2 .

It is a cyclic number.

It is not a de Polignac number, because 1333081 - 2¹⁷ = 1202009 is a prime.

It is a super-2 number, since 2×1333081² = 3554209905122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1333091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1036 + ... + 1933.

It is an arithmetic number, because the mean of its divisors is an integer number (334125).

2^1333081 is an apocalyptic number.

It is an amenable number.

1333081 is a deficient number, since it is larger than the sum of its proper divisors (3419).

1333081 is an equidigital number, since it uses as much as digits as its factorization.

1333081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3418.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1333081 is about 1154.5912696708. The cubic root of 1333081 is about 110.0572979725.

The spelling of 1333081 in words is "one million, three hundred thirty-three thousand, eighty-one".