1244306330 has 32 divisors (see below), whose sum is σ = 2398176720. Its totient is φ = 463175680.

The previous prime is 1244306321. The next prime is 1244306339. The reversal of 1244306330 is 336034421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1244306321) and next prime (1244306339).

It can be written as a sum of positive squares in 8 ways, for example, as 459802249 + 784504081 = 21443^2 + 28009^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1244306330.

It is not an unprimeable number, because it can be changed into a prime (1244306339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25991 + ... + 56250.

Almost surely, 2^1244306330 is an apocalyptic number.

1244306330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1244306330 is a deficient number, since it is larger than the sum of its proper divisors (1153870390).

1244306330 is a wasteful number, since it uses less digits than its factorization.

1244306330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82354.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 1244306330 is about 35274.7265049639. The cubic root of 1244306330 is about 1075.5793034130.

The spelling of 1244306330 in words is "one billion, two hundred forty-four million, three hundred six thousand, three hundred thirty".