1224902009 has 8 divisors (see below), whose sum is σ = 1248565920. Its totient is φ = 1201334976.

The previous prime is 1224901963. The next prime is 1224902017. The reversal of 1224902009 is 9002094221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1224902009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224902209) 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, 1574 + ... + 49520.

It is an arithmetic number, because the mean of its divisors is an integer number (156070740).

Almost surely, 2^1224902009 is an apocalyptic number.

It is an amenable number.

1224902009 is a deficient number, since it is larger than the sum of its proper divisors (23663911).

1224902009 is an equidigital number, since it uses as much as digits as its factorization.

1224902009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48439.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1224902009 is about 34998.6001005755. The cubic root of 1224902009 is about 1069.9589494252.

The spelling of 1224902009 in words is "one billion, two hundred twenty-four million, nine hundred two thousand, nine".