1241043218 has 4 divisors (see below), whose sum is σ = 1861564830. Its totient is φ = 620521608.

The previous prime is 1241043217. The next prime is 1241043239. The reversal of 1241043218 is 8123401421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1239955369 + 1087849 = 35213^2 + 1043^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1241043217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310260803 + ... + 310260806.

Almost surely, 2^1241043218 is an apocalyptic number.

1241043218 is a deficient number, since it is larger than the sum of its proper divisors (620521612).

1241043218 is an equidigital number, since it uses as much as digits as its factorization.

1241043218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620521611.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1241043218 is about 35228.4433093488. The cubic root of 1241043218 is about 1074.6382681973.

Adding to 1241043218 its reverse (8123401421), we get a palindrome (9364444639).

The spelling of 1241043218 in words is "one billion, two hundred forty-one million, forty-three thousand, two hundred eighteen".