1285028083 has 8 divisors (see below), whose sum is σ = 1375588800. Its totient is φ = 1196760168.

The previous prime is 1285028057. The next prime is 1285028137. The reversal of 1285028083 is 3808205821.

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 1285028083 - 2⁹ = 1285027571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1285028033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572041 + ... + 574282.

It is an arithmetic number, because the mean of its divisors is an integer number (171948600).

Almost surely, 2^1285028083 is an apocalyptic number.

1285028083 is a deficient number, since it is larger than the sum of its proper divisors (90560717).

1285028083 is a wasteful number, since it uses less digits than its factorization.

1285028083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146401.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 1285028083 is about 35847.2883632779. The cubic root of 1285028083 is about 1087.1868888162.

The spelling of 1285028083 in words is "one billion, two hundred eighty-five million, twenty-eight thousand, eighty-three".