1241320533 has 8 divisors (see below), whose sum is σ = 1658272896. Its totient is φ = 825957600.

The previous prime is 1241320523. The next prime is 1241320547. The reversal of 1241320533 is 3350231421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1241320533 - 2⁸ = 1241320277 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241320523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395533 + ... + 398658.

It is an arithmetic number, because the mean of its divisors is an integer number (207284112).

Almost surely, 2^1241320533 is an apocalyptic number.

It is an amenable number.

1241320533 is a deficient number, since it is larger than the sum of its proper divisors (416952363).

1241320533 is an equidigital number, since it uses as much as digits as its factorization.

1241320533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794715.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1241320533 is about 35232.3790425796. The cubic root of 1241320533 is about 1074.7183060000.

Adding to 1241320533 its reverse (3350231421), we get a palindrome (4591551954).

The spelling of 1241320533 in words is "one billion, two hundred forty-one million, three hundred twenty thousand, five hundred thirty-three".