1244466730 has 32 divisors (see below), whose sum is σ = 2424646224. Its totient is φ = 457153536.

The previous prime is 1244466721. The next prime is 1244466739. The reversal of 1244466730 is 376644421.

It is a Cunningham number, because it is equal to 35277²+1.

It is an interprime number because it is at equal distance from previous prime (1244466721) and next prime (1244466739).

It can be written as a sum of positive squares in 8 ways, for example, as 758396521 + 486070209 = 27539^2 + 22047^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1244466730.

It is not an unprimeable number, because it can be changed into a prime (1244466739) 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, 1314 + ... + 49906.

Almost surely, 2^1244466730 is an apocalyptic number.

1244466730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1244466730 is a deficient number, since it is larger than the sum of its proper divisors (1180179494).

1244466730 is a wasteful number, since it uses less digits than its factorization.

1244466730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48810.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 1244466730 is about 35277.0000141735. Note that the first 4 decimals coincide. The cubic root of 1244466730 is about 1075.6255180531.

The spelling of 1244466730 in words is "one billion, two hundred forty-four million, four hundred sixty-six thousand, seven hundred thirty".