1028171300 has 144 divisors (see below), whose sum is σ = 2535587712. Its totient is φ = 359040000.

The previous prime is 1028171297. The next prime is 1028171317. The reversal of 1028171300 is 31718201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 in 47 ways as a sum of consecutive naturals, for example, 4096175 + ... + 4096425.

It is an arithmetic number, because the mean of its divisors is an integer number (17608248).

Almost surely, 2^1028171300 is an apocalyptic number.

1028171300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1028171300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1267793856).

1028171300 is an abundant number, since it is smaller than the sum of its proper divisors (1507416412).

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

1028171300 is a wasteful number, since it uses less digits than its factorization.

1028171300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 1028171300 is about 32065.1103225921. The cubic root of 1028171300 is about 1009.3036077844.

Adding to 1028171300 its reverse (31718201), we get a palindrome (1059889501).

The spelling of 1028171300 in words is "one billion, twenty-eight million, one hundred seventy-one thousand, three hundred".