1142311241 has 2 divisors, whose sum is σ = 1142311242. Its totient is φ = 1142311240.

The previous prime is 1142311201. The next prime is 1142311253. The reversal of 1142311241 is 1421132411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 840768016 + 301543225 = 28996^2 + 17365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142311241 - 2²⁶ = 1075202377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142311201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571155620 + 571155621.

It is an arithmetic number, because the mean of its divisors is an integer number (571155621).

Almost surely, 2^1142311241 is an apocalyptic number.

It is an amenable number.

1142311241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142311241 is an equidigital number, since it uses as much as digits as its factorization.

1142311241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 20.

The square root of 1142311241 is about 33798.0952273941. The cubic root of 1142311241 is about 1045.3494221551.

Adding to 1142311241 its reverse (1421132411), we get a palindrome (2563443652).

The spelling of 1142311241 in words is "one billion, one hundred forty-two million, three hundred eleven thousand, two hundred forty-one".