1216023038 has 8 divisors (see below), whose sum is σ = 1824333840. Its totient is φ = 607911760.

The previous prime is 1216023037. The next prime is 1216023077. The reversal of 1216023038 is 8303206121.

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

It is a junction number, because it is equal to n+sod(n) for n = 1216022998 and 1216023016.

It is a congruent 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33578 + ... + 59661.

It is an arithmetic number, because the mean of its divisors is an integer number (228041730).

Almost surely, 2^1216023038 is an apocalyptic number.

1216023038 is a deficient number, since it is larger than the sum of its proper divisors (608310802).

1216023038 is an equidigital number, since it uses as much as digits as its factorization.

1216023038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99762.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1216023038 is about 34871.5218767406. The cubic root of 1216023038 is about 1067.3674000863.

Adding to 1216023038 its reverse (8303206121), we get a palindrome (9519229159).

The spelling of 1216023038 in words is "one billion, two hundred sixteen million, twenty-three thousand, thirty-eight".