1241323043 has 2 divisors, whose sum is σ = 1241323044. Its totient is φ = 1241323042.

The previous prime is 1241323037. The next prime is 1241323073. The reversal of 1241323043 is 3403231421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1241323043 - 2⁸ = 1241322787 is a prime.

It is not a weakly prime, because it can be changed into another prime (1241323073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620661521 + 620661522.

It is an arithmetic number, because the mean of its divisors is an integer number (620661522).

Almost surely, 2^1241323043 is an apocalyptic number.

1241323043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241323043 is an equidigital number, since it uses as much as digits as its factorization.

1241323043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1241323043 is about 35232.4146632047. The cubic root of 1241323043 is about 1074.7190303740.

Adding to 1241323043 its reverse (3403231421), we get a palindrome (4644554464).

The spelling of 1241323043 in words is "one billion, two hundred forty-one million, three hundred twenty-three thousand, forty-three".