1213030104 has 192 divisors, whose sum is σ = 3787741440. Its totient is φ = 319088640.

The previous prime is 1213030103. The next prime is 1213030111. The reversal of 1213030104 is 4010303121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213030103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 991237 + ... + 992459.

It is an arithmetic number, because the mean of its divisors is an integer number (19727820).

Almost surely, 2^1213030104 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 1213030104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1893870720).

1213030104 is an abundant number, since it is smaller than the sum of its proper divisors (2574711336).

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

1213030104 is a wasteful number, since it uses less digits than its factorization.

1213030104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1213030104 is about 34828.5817110028. The cubic root of 1213030104 is about 1066.4909954624.

Adding to 1213030104 its reverse (4010303121), we get a palindrome (5223333225).

The spelling of 1213030104 in words is "one billion, two hundred thirteen million, thirty thousand, one hundred four".