1282003445 has 8 divisors (see below), whose sum is σ = 1538608344. Its totient is φ = 1025466624.

The previous prime is 1282003433. The next prime is 1282003469. The reversal of 1282003445 is 5443002821.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 593360881 + 688642564 = 24359^2 + 26242^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1282003445 - 2¹² = 1281999349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44897 + ... + 67673.

It is an arithmetic number, because the mean of its divisors is an integer number (192326043).

Almost surely, 2^1282003445 is an apocalyptic number.

It is an amenable number.

1282003445 is a deficient number, since it is larger than the sum of its proper divisors (256604899).

1282003445 is a wasteful number, since it uses less digits than its factorization.

1282003445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34039.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 1282003445 is about 35805.0756876731. The cubic root of 1282003445 is about 1086.3332290962. Note that the first 3 decimals are identical.

The spelling of 1282003445 in words is "one billion, two hundred eighty-two million, three thousand, four hundred forty-five".