1210320304 has 40 divisors (see below), whose sum is σ = 2505777120. Its totient is φ = 564323328.

The previous prime is 1210320299. The next prime is 1210320317. The reversal of 1210320304 is 4030230121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9237 + ... + 50059.

It is an arithmetic number, because the mean of its divisors is an integer number (62644428).

Almost surely, 2^1210320304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210320304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1252888560).

1210320304 is an abundant number, since it is smaller than the sum of its proper divisors (1295456816).

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

1210320304 is a wasteful number, since it uses less digits than its factorization.

1210320304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40957 (or 40951 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1210320304 is about 34789.6580034929. The cubic root of 1210320304 is about 1065.6962550989.

Adding to 1210320304 its reverse (4030230121), we get a palindrome (5240550425).

The spelling of 1210320304 in words is "one billion, two hundred ten million, three hundred twenty thousand, three hundred four".