1243214466 has 32 divisors (see below), whose sum is σ = 2693755008. Its totient is φ = 380232960.

The previous prime is 1243214461. The next prime is 1243214509. The reversal of 1243214466 is 6644123421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1243214461) 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 15 ways as a sum of consecutive naturals, for example, 34695 + ... + 60746.

It is an arithmetic number, because the mean of its divisors is an integer number (84179844).

Almost surely, 2^1243214466 is an apocalyptic number.

1243214466 is an abundant number, since it is smaller than the sum of its proper divisors (1450540542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1243214466 is a wasteful number, since it uses less digits than its factorization.

1243214466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95626.

The product of its digits is 27648, while the sum is 33.

The square root of 1243214466 is about 35259.2465319383. The cubic root of 1243214466 is about 1075.2646086675.

Adding to 1243214466 its reverse (6644123421), we get a palindrome (7887337887).

The spelling of 1243214466 in words is "one billion, two hundred forty-three million, two hundred fourteen thousand, four hundred sixty-six".