1283028530 has 16 divisors (see below), whose sum is σ = 2639373120. Its totient is φ = 439895472.

The previous prime is 1283028529. The next prime is 1283028533. The reversal of 1283028530 is 358203821.

It is not an unprimeable number, because it can be changed into a prime (1283028533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9164420 + ... + 9164559.

It is an arithmetic number, because the mean of its divisors is an integer number (164960820).

Almost surely, 2^1283028530 is an apocalyptic number.

1283028530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1283028530 is an abundant number, since it is smaller than the sum of its proper divisors (1356344590).

1283028530 is a wasteful number, since it uses less digits than its factorization.

1283028530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18328993.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1283028530 is about 35819.3876273730. The cubic root of 1283028530 is about 1086.6226945753.

The spelling of 1283028530 in words is "one billion, two hundred eighty-three million, twenty-eight thousand, five hundred thirty".