1243340214 has 32 divisors (see below), whose sum is σ = 2545364736. Its totient is φ = 404775840.

The previous prime is 1243340207. The next prime is 1243340251. The reversal of 1243340214 is 4120433421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31944 + ... + 59220.

It is an arithmetic number, because the mean of its divisors is an integer number (79542648).

Almost surely, 2^1243340214 is an apocalyptic number.

1243340214 is an abundant number, since it is smaller than the sum of its proper divisors (1302024522).

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

1243340214 is a wasteful number, since it uses less digits than its factorization.

1243340214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27460.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1243340214 is about 35261.0296786693. The cubic root of 1243340214 is about 1075.3008608775.

Adding to 1243340214 its reverse (4120433421), we get a palindrome (5363773635).

The spelling of 1243340214 in words is "one billion, two hundred forty-three million, three hundred forty thousand, two hundred fourteen".