1223001115 has 8 divisors (see below), whose sum is σ = 1677258720. Its totient is φ = 838629312.

The previous prime is 1223001113. The next prime is 1223001121. The reversal of 1223001115 is 5111003221.

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 1223001115 - 2¹ = 1223001113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223001113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17471410 + ... + 17471479.

It is an arithmetic number, because the mean of its divisors is an integer number (209657340).

Almost surely, 2^1223001115 is an apocalyptic number.

1223001115 is a deficient number, since it is larger than the sum of its proper divisors (454257605).

1223001115 is an equidigital number, since it uses as much as digits as its factorization.

1223001115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34942901.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1223001115 is about 34971.4328416781. The cubic root of 1223001115 is about 1069.4051822536.

Adding to 1223001115 its reverse (5111003221), we get a palindrome (6334004336).

The spelling of 1223001115 in words is "one billion, two hundred twenty-three million, one thousand, one hundred fifteen".