1241533 has 4 divisors (see below), whose sum is σ = 1261948. Its totient is φ = 1221120.

The previous prime is 1241509. The next prime is 1241549. The reversal of 1241533 is 3351421.

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 205209 + 1036324 = 453^2 + 1018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1241533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1241533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241573) 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, 10116 + ... + 10237.

It is an arithmetic number, because the mean of its divisors is an integer number (315487).

2^1241533 is an apocalyptic number.

It is an amenable number.

1241533 is a deficient number, since it is larger than the sum of its proper divisors (20415).

1241533 is an equidigital number, since it uses as much as digits as its factorization.

1241533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20414.

The product of its digits is 360, while the sum is 19.

The square root of 1241533 is about 1114.2409972712. The cubic root of 1241533 is about 107.4779619508.

Adding to 1241533 its reverse (3351421), we get a palindrome (4592954).

The spelling of 1241533 in words is "one million, two hundred forty-one thousand, five hundred thirty-three".