1224652899 has 8 divisors (see below), whose sum is σ = 1677002320. Its totient is φ = 794369376.

The previous prime is 1224652889. The next prime is 1224652901. The reversal of 1224652899 is 9982564221.

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

It is not a de Polignac number, because 1224652899 - 2⁴ = 1224652883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224652879) 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 7 ways as a sum of consecutive naturals, for example, 5516344 + ... + 5516565.

It is an arithmetic number, because the mean of its divisors is an integer number (209625290).

Almost surely, 2^1224652899 is an apocalyptic number.

1224652899 is a deficient number, since it is larger than the sum of its proper divisors (452349421).

1224652899 is a wasteful number, since it uses less digits than its factorization.

1224652899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11032949.

The product of its digits is 622080, while the sum is 48.

The square root of 1224652899 is about 34995.0410629849. The cubic root of 1224652899 is about 1069.8864115017.

The spelling of 1224652899 in words is "one billion, two hundred twenty-four million, six hundred fifty-two thousand, eight hundred ninety-nine".