1002021200 has 60 divisors (see below), whose sum is σ = 2458622400. Its totient is φ = 392273280.

The previous prime is 1002021179. The next prime is 1002021239. The reversal of 1002021200 is 21202001.

1002021200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7850 + ... + 45449.

It is an arithmetic number, because the mean of its divisors is an integer number (40977040).

Almost surely, 2^1002021200 is an apocalyptic number.

1002021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002021200 is an abundant number, since it is smaller than the sum of its proper divisors (1456601200).

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

1002021200 is a wasteful number, since it uses less digits than its factorization.

1002021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53364 (or 53353 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1002021200 is about 31654.7184476501. The cubic root of 1002021200 is about 1000.6732799257.

Adding to 1002021200 its reverse (21202001), we get a palindrome (1023223201).

The spelling of 1002021200 in words is "one billion, two million, twenty-one thousand, two hundred".