1028591202 has 16 divisors (see below), whose sum is σ = 2057560992. Its totient is φ = 342800640.

The previous prime is 1028591197. The next prime is 1028591209. The reversal of 1028591202 is 2021958201.

It is a self number, because there is not a number n which added to its sum of digits gives 1028591202.

It is not an unprimeable number, because it can be changed into a prime (1028591209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29577 + ... + 54147.

It is an arithmetic number, because the mean of its divisors is an integer number (128597562).

Almost surely, 2^1028591202 is an apocalyptic number.

1028591202 is an abundant number, since it is smaller than the sum of its proper divisors (1028969790).

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

1028591202 is a wasteful number, since it uses less digits than its factorization.

1028591202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31553.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 1028591202 is about 32071.6573004889. The cubic root of 1028591202 is about 1009.4409879150.

The spelling of 1028591202 in words is "one billion, twenty-eight million, five hundred ninety-one thousand, two hundred two".