1213735104 has 70 divisors (see below), whose sum is σ = 3597906444. Its totient is φ = 404576640.

The previous prime is 1213735049. The next prime is 1213735151. The reversal of 1213735104 is 4015373121.

1213735104 is a `hidden beast` number, since 12 + 137 + 3 + 510 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 111882 + ... + 122249.

Almost surely, 2^1213735104 is an apocalyptic number.

It is an amenable number.

1213735104 is an abundant number, since it is smaller than the sum of its proper divisors (2384171340).

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

1213735104 is an equidigital number, since it uses as much as digits as its factorization.

1213735104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234155 (or 234136 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1213735104 is about 34838.7012387087. The cubic root of 1213735104 is about 1066.6975664660.

The spelling of 1213735104 in words is "one billion, two hundred thirteen million, seven hundred thirty-five thousand, one hundred four".