1216023041 has 8 divisors (see below), whose sum is σ = 1312649280. Its totient is φ = 1123043152.

The previous prime is 1216023037. The next prime is 1216023077. The reversal of 1216023041 is 1403206121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1216023041 - 2² = 1216023037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1216023031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910895 + ... + 912228.

It is an arithmetic number, because the mean of its divisors is an integer number (164081160).

Almost surely, 2^1216023041 is an apocalyptic number.

It is an amenable number.

1216023041 is a deficient number, since it is larger than the sum of its proper divisors (96626239).

1216023041 is a wasteful number, since it uses less digits than its factorization.

1216023041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823175.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1216023041 is about 34871.5219197557. The cubic root of 1216023041 is about 1067.3674009640.

Adding to 1216023041 its reverse (1403206121), we get a palindrome (2619229162).

The spelling of 1216023041 in words is "one billion, two hundred sixteen million, twenty-three thousand, forty-one".