1076821100 has 36 divisors (see below), whose sum is σ = 2338267008. Its totient is φ = 430440000.

The previous prime is 1076821079. The next prime is 1076821159. The reversal of 1076821100 is 11286701.

It is a super-3 number, since 3×1076821100³ (a number of 28 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1076821100.

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, 208550 + ... + 213650.

Almost surely, 2^1076821100 is an apocalyptic number.

1076821100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1076821100 is an abundant number, since it is smaller than the sum of its proper divisors (1261445908).

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

1076821100 is a wasteful number, since it uses less digits than its factorization.

1076821100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7226 (or 7219 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 1076821100 is about 32814.9523845457. The cubic root of 1076821100 is about 1024.9779412267.

The spelling of 1076821100 in words is "one billion, seventy-six million, eight hundred twenty-one thousand, one hundred".