1152040343 has 4 divisors (see below), whose sum is σ = 1219807440. Its totient is φ = 1084273248.

The previous prime is 1152040333. The next prime is 1152040361. The reversal of 1152040343 is 3430402511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3430402511 = 17 ⋅201788383.

It is a cyclic number.

It is not a de Polignac number, because 1152040343 - 2²⁰ = 1150991767 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 (1152040333) 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 3 ways as a sum of consecutive naturals, for example, 33883523 + ... + 33883556.

It is an arithmetic number, because the mean of its divisors is an integer number (304951860).

Almost surely, 2^1152040343 is an apocalyptic number.

1152040343 is a deficient number, since it is larger than the sum of its proper divisors (67767097).

1152040343 is an equidigital number, since it uses as much as digits as its factorization.

1152040343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67767096.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1152040343 is about 33941.7198002694. The cubic root of 1152040343 is about 1048.3087946437.

Adding to 1152040343 its reverse (3430402511), we get a palindrome (4582442854).

The spelling of 1152040343 in words is "one billion, one hundred fifty-two million, forty thousand, three hundred forty-three".