1021227200 has 168 divisors, whose sum is σ = 3023616000. Its totient is φ = 331637760.

The previous prime is 1021227197. The next prime is 1021227223. The reversal of 1021227200 is 27221201.

1021227200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 210401 + ... + 215199.

Almost surely, 2^1021227200 is an apocalyptic number.

1021227200 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 1021227200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1511808000).

1021227200 is an abundant number, since it is smaller than the sum of its proper divisors (2002388800).

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

1021227200 is a wasteful number, since it uses less digits than its factorization.

1021227200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4847 (or 4832 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1021227200 is about 31956.6456312298. The cubic root of 1021227200 is about 1007.0262495265.

Adding to 1021227200 its reverse (27221201), we get a palindrome (1048448401).

The spelling of 1021227200 in words is "one billion, twenty-one million, two hundred twenty-seven thousand, two hundred".