1290328082 has 4 divisors (see below), whose sum is σ = 1935492126. Its totient is φ = 645164040.

The previous prime is 1290328031. The next prime is 1290328147. The reversal of 1290328082 is 2808230921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1092897481 + 197430601 = 33059^2 + 14051^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 322582019 + ... + 322582022.

Almost surely, 2^1290328082 is an apocalyptic number.

1290328082 is a deficient number, since it is larger than the sum of its proper divisors (645164044).

1290328082 is an equidigital number, since it uses as much as digits as its factorization.

1290328082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645164043.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 1290328082 is about 35921.1369808919. The cubic root of 1290328082 is about 1088.6795113867.

The spelling of 1290328082 in words is "one billion, two hundred ninety million, three hundred twenty-eight thousand, eighty-two".