1216834041 has 16 divisors (see below), whose sum is σ = 1773301248. Its totient is φ = 738873600.

The previous prime is 1216834037. The next prime is 1216834051. The reversal of 1216834041 is 1404386121.

It is not a de Polignac number, because 1216834041 - 2² = 1216834037 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1216834001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383250 + ... + 386411.

It is an arithmetic number, because the mean of its divisors is an integer number (110831328).

Almost surely, 2^1216834041 is an apocalyptic number.

It is an amenable number.

1216834041 is a deficient number, since it is larger than the sum of its proper divisors (556467207).

1216834041 is a wasteful number, since it uses less digits than its factorization.

1216834041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769712.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1216834041 is about 34883.1483814176. The cubic root of 1216834041 is about 1067.6046340222.

The spelling of 1216834041 in words is "one billion, two hundred sixteen million, eight hundred thirty-four thousand, forty-one".