1224115105 has 8 divisors (see below), whose sum is σ = 1470732264. Its totient is φ = 978096000.

The previous prime is 1224115103. The next prime is 1224115117. The reversal of 1224115105 is 5015114221.

It can be written as a sum of positive squares in 4 ways, for example, as 11404129 + 1212710976 = 3377^2 + 34824^2 .

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

It is not a de Polignac number, because 1224115105 - 2¹ = 1224115103 is a prime.

It is a super-2 number, since 2×1224115105² = 2996915580578322050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224115103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144996 + ... + 153205.

It is an arithmetic number, because the mean of its divisors is an integer number (183841533).

Almost surely, 2^1224115105 is an apocalyptic number.

It is an amenable number.

1224115105 is a deficient number, since it is larger than the sum of its proper divisors (246617159).

1224115105 is an equidigital number, since it uses as much as digits as its factorization.

1224115105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299027.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1224115105 is about 34987.3563591192. The cubic root of 1224115105 is about 1069.7297786202.

Adding to 1224115105 its reverse (5015114221), we get a palindrome (6239229326).

The spelling of 1224115105 in words is "one billion, two hundred twenty-four million, one hundred fifteen thousand, one hundred five".