1142530241 has 2 divisors, whose sum is σ = 1142530242. Its totient is φ = 1142530240.

The previous prime is 1142530229. The next prime is 1142530273. The reversal of 1142530241 is 1420352411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 646176400 + 496353841 = 25420^2 + 22279^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142530241 - 2⁶ = 1142530177 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142530201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571265120 + 571265121.

It is an arithmetic number, because the mean of its divisors is an integer number (571265121).

Almost surely, 2^1142530241 is an apocalyptic number.

It is an amenable number.

1142530241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142530241 is an equidigital number, since it uses as much as digits as its factorization.

1142530241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1142530241 is about 33801.3348996752. The cubic root of 1142530241 is about 1045.4162214905.

Adding to 1142530241 its reverse (1420352411), we get a palindrome (2562882652).

The spelling of 1142530241 in words is "one billion, one hundred forty-two million, five hundred thirty thousand, two hundred forty-one".