1283128302 has 8 divisors (see below), whose sum is σ = 2566256616. Its totient is φ = 427709432.

The previous prime is 1283128289. The next prime is 1283128303. The reversal of 1283128302 is 2038213821.

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

1283128302 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1283128302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283128303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106927353 + ... + 106927364.

It is an arithmetic number, because the mean of its divisors is an integer number (320782077).

Almost surely, 2^1283128302 is an apocalyptic number.

1283128302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1283128302 is a wasteful number, since it uses less digits than its factorization.

1283128302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213854722.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1283128302 is about 35820.7803097587. The cubic root of 1283128302 is about 1086.6508601504.

The spelling of 1283128302 in words is "one billion, two hundred eighty-three million, one hundred twenty-eight thousand, three hundred two".