1333001 has 4 divisors (see below), whose sum is σ = 1335312. Its totient is φ = 1330692.

The previous prime is 1332997. The next prime is 1333019. The reversal of 1333001 is 1003331.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1003331 = 7 ⋅143333.

It is a cyclic number.

It is not a de Polignac number, because 1333001 - 2² = 1332997 is a prime.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530 + ... + 1716.

It is an arithmetic number, because the mean of its divisors is an integer number (333828).

2^1333001 is an apocalyptic number.

It is an amenable number.

1333001 is a deficient number, since it is larger than the sum of its proper divisors (2311).

1333001 is a wasteful number, since it uses less digits than its factorization.

1333001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 1333001 is about 1154.5566248565. The cubic root of 1333001 is about 110.0550963659.

Adding to 1333001 its reverse (1003331), we get a palindrome (2336332).

The spelling of 1333001 in words is "one million, three hundred thirty-three thousand, one".