1243401314 has 8 divisors (see below), whose sum is σ = 1878716268. Its totient is φ = 617162560.

The previous prime is 1243401307. The next prime is 1243401319. The reversal of 1243401314 is 4131043421.

It can be written as a sum of positive squares in 2 ways, for example, as 1123389289 + 120012025 = 33517^2 + 10955^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1243401314.

It is not an unprimeable number, because it can be changed into a prime (1243401319) 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 3 ways as a sum of consecutive naturals, for example, 2268707 + ... + 2269254.

Almost surely, 2^1243401314 is an apocalyptic number.

1243401314 is a deficient number, since it is larger than the sum of its proper divisors (635314954).

1243401314 is a wasteful number, since it uses less digits than its factorization.

1243401314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4538100.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1243401314 is about 35261.8960635982. The cubic root of 1243401314 is about 1075.3184746691.

Adding to 1243401314 its reverse (4131043421), we get a palindrome (5374444735).

The spelling of 1243401314 in words is "one billion, two hundred forty-three million, four hundred one thousand, three hundred fourteen".