1028715196 has 6 divisors (see below), whose sum is σ = 1800251600. Its totient is φ = 514357596.

The previous prime is 1028715143. The next prime is 1028715211. The reversal of 1028715196 is 6915178201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 128589396 + ... + 128589403.

Almost surely, 2^1028715196 is an apocalyptic number.

It is an amenable number.

1028715196 is a deficient number, since it is larger than the sum of its proper divisors (771536404).

1028715196 is a wasteful number, since it uses less digits than its factorization.

1028715196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257178803 (or 257178801 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 40.

The square root of 1028715196 is about 32073.5903197631. The cubic root of 1028715196 is about 1009.4815481157.

The spelling of 1028715196 in words is "one billion, twenty-eight million, seven hundred fifteen thousand, one hundred ninety-six".