1028211294 has 48 divisors (see below), whose sum is σ = 2264475024. Its totient is φ = 311013120.

The previous prime is 1028211253. The next prime is 1028211329. The reversal of 1028211294 is 4921128201.

It is a happy number.

1028211294 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 577734 + ... + 579510.

It is an arithmetic number, because the mean of its divisors is an integer number (47176563).

Almost surely, 2^1028211294 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1028211294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1132237512).

1028211294 is an abundant number, since it is smaller than the sum of its proper divisors (1236263730).

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

1028211294 is a wasteful number, since it uses less digits than its factorization.

1028211294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601 (or 2590 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1028211294 is about 32065.7339538642. The cubic root of 1028211294 is about 1009.3166943083.

Adding to 1028211294 its reverse (4921128201), we get a palindrome (5949339495).

The spelling of 1028211294 in words is "one billion, twenty-eight million, two hundred eleven thousand, two hundred ninety-four".