1240133353 has 2 divisors, whose sum is σ = 1240133354. Its totient is φ = 1240133352.

The previous prime is 1240133347. The next prime is 1240133359. The reversal of 1240133353 is 3533310421.

It is a balanced prime because it is at equal distance from previous prime (1240133347) and next prime (1240133359).

It can be written as a sum of positive squares in only one way, i.e., 1170460944 + 69672409 = 34212^2 + 8347^2 .

It is an emirp because it is prime and its reverse (3533310421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1240133353 - 2²¹ = 1238036201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1240133359) 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, 620066676 + 620066677.

It is an arithmetic number, because the mean of its divisors is an integer number (620066677).

Almost surely, 2^1240133353 is an apocalyptic number.

It is an amenable number.

1240133353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240133353 is an equidigital number, since it uses as much as digits as its factorization.

1240133353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 1240133353 is about 35215.5271577752. The cubic root of 1240133353 is about 1074.3755819933.

Adding to 1240133353 its reverse (3533310421), we get a palindrome (4773443774).

It can be divided in two parts, 12401 and 33353, that added together give a palindrome (45754).

The spelling of 1240133353 in words is "one billion, two hundred forty million, one hundred thirty-three thousand, three hundred fifty-three".