1241440066 has 8 divisors (see below), whose sum is σ = 1907578764. Its totient is φ = 605580480.

The previous prime is 1241440061. The next prime is 1241440087. The reversal of 1241440066 is 6600441421.

It can be written as a sum of positive squares in 2 ways, for example, as 1078137225 + 163302841 = 32835^2 + 12779^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1241440061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7569675 + ... + 7569838.

Almost surely, 2^1241440066 is an apocalyptic number.

1241440066 is a deficient number, since it is larger than the sum of its proper divisors (666138698).

1241440066 is a wasteful number, since it uses less digits than its factorization.

1241440066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15139556.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 1241440066 is about 35234.0753532713. The cubic root of 1241440066 is about 1074.7528015705.

Adding to 1241440066 its reverse (6600441421), we get a palindrome (7841881487).

The spelling of 1241440066 in words is "one billion, two hundred forty-one million, four hundred forty thousand, sixty-six".