1282628530 has 16 divisors (see below), whose sum is σ = 2388343320. Its totient is φ = 495359872.

The previous prime is 1282628521. The next prime is 1282628537. The reversal of 1282628530 is 358262821.

It can be written as a sum of positive squares in 4 ways, for example, as 934096969 + 348531561 = 30563^2 + 18669^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1282628530.

It is not an unprimeable number, because it can be changed into a prime (1282628537) by changing a digit.

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, 2211139 + ... + 2211718.

Almost surely, 2^1282628530 is an apocalyptic number.

1282628530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1282628530 is a deficient number, since it is larger than the sum of its proper divisors (1105714790).

1282628530 is a wasteful number, since it uses less digits than its factorization.

1282628530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422893.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 1282628530 is about 35813.8036237426. The cubic root of 1282628530 is about 1086.5097601537.

The spelling of 1282628530 in words is "one billion, two hundred eighty-two million, six hundred twenty-eight thousand, five hundred thirty".