1240333 has 2 divisors, whose sum is σ = 1240334. Its totient is φ = 1240332.

The previous prime is 1240319. The next prime is 1240361. The reversal of 1240333 is 3330421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1225449 + 14884 = 1107^2 + 122^2 .

It is an emirp because it is prime and its reverse (3330421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1240333 is a prime.

1240333 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1240363) 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 as a sum of consecutive naturals, namely, 620166 + 620167.

It is an arithmetic number, because the mean of its divisors is an integer number (620167).

2^1240333 is an apocalyptic number.

It is an amenable number.

1240333 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240333 is an equidigital number, since it uses as much as digits as its factorization.

1240333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 1240333 is about 1113.7023839429. The cubic root of 1240333 is about 107.4433232877.

Adding to 1240333 its reverse (3330421), we get a palindrome (4570754).

The spelling of 1240333 in words is "one million, two hundred forty thousand, three hundred thirty-three".