1006021200 has 60 divisors (see below), whose sum is σ = 3222625088. Its totient is φ = 268272000.

The previous prime is 1006021199. The next prime is 1006021267. The reversal of 1006021200 is 21206001.

It is a tau number, because it is divible by the number of its divisors (60).

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417976 + ... + 420375.

Almost surely, 2^1006021200 is an apocalyptic number.

1006021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1006021200 is an abundant number, since it is smaller than the sum of its proper divisors (2216603888).

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

1006021200 is a wasteful number, since it uses less digits than its factorization.

1006021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838372 (or 838361 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1006021200 is about 31717.8372528771. The cubic root of 1006021200 is about 1002.0030517714.

Adding to 1006021200 its reverse (21206001), we get a palindrome (1027227201).

The spelling of 1006021200 in words is "one billion, six million, twenty-one thousand, two hundred".