1240133333 has 2 divisors, whose sum is σ = 1240133334. Its totient is φ = 1240133332.

The previous prime is 1240133311. The next prime is 1240133347. The reversal of 1240133333 is 3333310421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1117765489 + 122367844 = 33433^2 + 11062^2 .

It is a cyclic number.

It is not a de Polignac number, because 1240133333 - 2¹² = 1240129237 is a prime.

It is a Sophie Germain prime.

1240133333 is a modest number, since divided by 33333 gives 12401 as remainder.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1240133299 and 1240133308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1240133353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620066666 + 620066667.

It is an arithmetic number, because the mean of its divisors is an integer number (620066667).

Almost surely, 2^1240133333 is an apocalyptic number.

It is an amenable number.

1240133333 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240133333 is an equidigital number, since it uses as much as digits as its factorization.

1240133333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 1240133333 is about 35215.5268738095. The cubic root of 1240133333 is about 1074.3755762177.

Adding to 1240133333 its reverse (3333310421), we get a palindrome (4573443754).

The spelling of 1240133333 in words is "one billion, two hundred forty million, one hundred thirty-three thousand, three hundred thirty-three".