1000100992 has 32 divisors (see below), whose sum is σ = 2173518000. Its totient is φ = 454590720.

The previous prime is 1000100977. The next prime is 1000100993. The reversal of 1000100992 is 2990010001.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1000100993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353742 + ... + 356557.

Almost surely, 2^1000100992 is an apocalyptic number.

It is an amenable number.

1000100992 is an abundant number, since it is smaller than the sum of its proper divisors (1173417008).

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

1000100992 is an equidigital number, since it uses as much as digits as its factorization.

1000100992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710324 (or 710312 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 1000100992 is about 31624.3733850965. The cubic root of 1000100992 is about 1000.0336628668.

Adding to 1000100992 its reverse (2990010001), we get a palindrome (3990110993).

The spelling of 1000100992 in words is "one billion, one hundred thousand, nine hundred ninety-two".