1243342214 has 16 divisors (see below), whose sum is σ = 1877541120. Its totient is φ = 617503680.

The previous prime is 1243342213. The next prime is 1243342229. The reversal of 1243342214 is 4122433421.

It is a super-2 number, since 2×1243342214² = 3091799722228843592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243342213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430427 + ... + 433305.

It is an arithmetic number, because the mean of its divisors is an integer number (117346320).

Almost surely, 2^1243342214 is an apocalyptic number.

1243342214 is a deficient number, since it is larger than the sum of its proper divisors (634198906).

1243342214 is a wasteful number, since it uses less digits than its factorization.

1243342214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4255.

The product of its digits is 4608, while the sum is 26.

The square root of 1243342214 is about 35261.0580385785. The cubic root of 1243342214 is about 1075.3014374428.

Adding to 1243342214 its reverse (4122433421), we get a palindrome (5365775635).

The spelling of 1243342214 in words is "one billion, two hundred forty-three million, three hundred forty-two thousand, two hundred fourteen".