1152522241 has 4 divisors (see below), whose sum is σ = 1241177812. Its totient is φ = 1063866672.

The previous prime is 1152522233. The next prime is 1152522251. The reversal of 1152522241 is 1422252511.

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 723825216 + 428697025 = 26904^2 + 20705^2 .

It is a cyclic number.

It is not a de Polignac number, because 1152522241 - 2³ = 1152522233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152522251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44327766 + ... + 44327791.

It is an arithmetic number, because the mean of its divisors is an integer number (310294453).

Almost surely, 2^1152522241 is an apocalyptic number.

It is an amenable number.

1152522241 is a deficient number, since it is larger than the sum of its proper divisors (88655571).

1152522241 is an equidigital number, since it uses as much as digits as its factorization.

1152522241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88655570.

The product of its digits is 1600, while the sum is 25.

The square root of 1152522241 is about 33948.8179617494. The cubic root of 1152522241 is about 1048.4549433130.

Adding to 1152522241 its reverse (1422252511), we get a palindrome (2574774752).

The spelling of 1152522241 in words is "one billion, one hundred fifty-two million, five hundred twenty-two thousand, two hundred forty-one".