1028213602 has 8 divisors (see below), whose sum is σ = 1660960476. Its totient is φ = 474560112.

The previous prime is 1028213587. The next prime is 1028213603. The reversal of 1028213602 is 2063128201.

1028213602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 805935321 + 222278281 = 28389^2 + 14909^2 .

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

It is a super-2 number, since 2×1028213602² = 2114446422675628808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1028213603) 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, 19773313 + ... + 19773364.

Almost surely, 2^1028213602 is an apocalyptic number.

1028213602 is a deficient number, since it is larger than the sum of its proper divisors (632746874).

1028213602 is a wasteful number, since it uses less digits than its factorization.

1028213602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39546692.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1028213602 is about 32065.7699424168. The cubic root of 1028213602 is about 1009.3174495037.

The spelling of 1028213602 in words is "one billion, twenty-eight million, two hundred thirteen thousand, six hundred two".