1133143241 has 4 divisors (see below), whose sum is σ = 1163768772. Its totient is φ = 1102517712.

The previous prime is 1133143229. The next prime is 1133143243. The reversal of 1133143241 is 1423413311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1062499216 + 70644025 = 32596^2 + 8405^2 .

It is not a de Polignac number, because 1133143241 - 2¹⁸ = 1132881097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133143243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15312710 + ... + 15312783.

It is an arithmetic number, because the mean of its divisors is an integer number (290942193).

Almost surely, 2^1133143241 is an apocalyptic number.

It is an amenable number.

1133143241 is a deficient number, since it is larger than the sum of its proper divisors (30625531).

1133143241 is an equidigital number, since it uses as much as digits as its factorization.

1133143241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30625530.

The product of its digits is 864, while the sum is 23.

The square root of 1133143241 is about 33662.1930509585. The cubic root of 1133143241 is about 1042.5453067432.

Adding to 1133143241 its reverse (1423413311), we get a palindrome (2556556552).

The spelling of 1133143241 in words is "one billion, one hundred thirty-three million, one hundred forty-three thousand, two hundred forty-one".