1153240303 has 16 divisors (see below), whose sum is σ = 1223812800. Its totient is φ = 1085011200.

The previous prime is 1153240301. The next prime is 1153240307. The reversal of 1153240303 is 3030423511.

It is a cyclic number.

It is not a de Polignac number, because 1153240303 - 2¹ = 1153240301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153240301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229603 + ... + 234571.

It is an arithmetic number, because the mean of its divisors is an integer number (76488300).

Almost surely, 2^1153240303 is an apocalyptic number.

1153240303 is a deficient number, since it is larger than the sum of its proper divisors (70572497).

1153240303 is a wasteful number, since it uses less digits than its factorization.

1153240303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1153240303 is about 33959.3919704108. The cubic root of 1153240303 is about 1048.6726395763.

Adding to 1153240303 its reverse (3030423511), we get a palindrome (4183663814).

The spelling of 1153240303 in words is "one billion, one hundred fifty-three million, two hundred forty thousand, three hundred three".