210243104 has 12 divisors (see below), whose sum is σ = 413916174. Its totient is φ = 105121536.

The previous prime is 210243073. The next prime is 210243107. The reversal of 210243104 is 401342012.

It can be written as a sum of positive squares in only one way, i.e., 156250000 + 53993104 = 12500^2 + 7348^2 .

It is not an unprimeable number, because it can be changed into a prime (210243107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3285017 + ... + 3285080.

Almost surely, 2^210243104 is an apocalyptic number.

It is an amenable number.

210243104 is a deficient number, since it is larger than the sum of its proper divisors (203673070).

210243104 is an equidigital number, since it uses as much as digits as its factorization.

210243104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6570107 (or 6570099 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 210243104 is about 14499.7622049467. The cubic root of 210243104 is about 594.6214705094.

Adding to 210243104 its reverse (401342012), we get a palindrome (611585116).

The spelling of 210243104 in words is "two hundred ten million, two hundred forty-three thousand, one hundred four".