1244240002 has 8 divisors (see below), whose sum is σ = 1909763856. Its totient is φ = 607652052.

The previous prime is 1244239999. The next prime is 1244240003. The reversal of 1244240002 is 2000424421.

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

It is not an unprimeable number, because it can be changed into a prime (1244240003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7233868 + ... + 7234039.

It is an arithmetic number, because the mean of its divisors is an integer number (238720482).

Almost surely, 2^1244240002 is an apocalyptic number.

1244240002 is a deficient number, since it is larger than the sum of its proper divisors (665523854).

1244240002 is a wasteful number, since it uses less digits than its factorization.

1244240002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14467952.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1244240002 is about 35273.7863292275. The cubic root of 1244240002 is about 1075.5601917495.

Adding to 1244240002 its reverse (2000424421), we get a palindrome (3244664423).

The spelling of 1244240002 in words is "one billion, two hundred forty-four million, two hundred forty thousand, two".