10281000 has 128 divisors (see below), whose sum is σ = 33696000. Its totient is φ = 2604800.

The previous prime is 10280987. The next prime is 10281017. The reversal of 10281000 is 18201.

It is a happy number.

It is a super-2 number, since 2×10281000² = 211397922000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68926 + ... + 69074.

It is an arithmetic number, because the mean of its divisors is an integer number (263250).

Almost surely, 2^10281000 is an apocalyptic number.

10281000 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 10281000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16848000).

10281000 is an abundant number, since it is smaller than the sum of its proper divisors (23415000).

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

10281000 is a wasteful number, since it uses less digits than its factorization.

10281000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 10281000 is about 3206.3998502994. The cubic root of 10281000 is about 217.4428440118.

Adding to 10281000 its reverse (18201), we get a palindrome (10299201).

The spelling of 10281000 in words is "ten million, two hundred eighty-one thousand".