1216741104 has 30 divisors (see below), whose sum is σ = 3405185576. Its totient is φ = 405580320.

The previous prime is 1216741091. The next prime is 1216741121. The reversal of 1216741104 is 4011476121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4224652 + ... + 4224939.

Almost surely, 2^1216741104 is an apocalyptic number.

It is an amenable number.

1216741104 is an abundant number, since it is smaller than the sum of its proper divisors (2188444472).

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

1216741104 is a wasteful number, since it uses less digits than its factorization.

1216741104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8449605 (or 8449596 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1216741104 is about 34881.8162371170. The cubic root of 1216741104 is about 1067.5774535154.

The spelling of 1216741104 in words is "one billion, two hundred sixteen million, seven hundred forty-one thousand, one hundred four".