210001104 has 60 divisors (see below), whose sum is σ = 592390656. Its totient is φ = 69443136.

The previous prime is 210001081. The next prime is 210001111. The reversal of 210001104 is 401100012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12547 + ... + 24029.

Almost surely, 2^210001104 is an apocalyptic number.

210001104 is a gapful number since it is divisible by the number (24) 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 210001104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296195328).

210001104 is an abundant number, since it is smaller than the sum of its proper divisors (382389552).

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

210001104 is a wasteful number, since it uses less digits than its factorization.

210001104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11624 (or 11615 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 210001104 is about 14491.4148377583. The cubic root of 210001104 is about 594.3932368760.

Adding to 210001104 its reverse (401100012), we get a palindrome (611101116).

The spelling of 210001104 in words is "two hundred ten million, one thousand, one hundred four".