1244000002 has 16 divisors (see below), whose sum is σ = 2133440640. Its totient is φ = 532925568.

The previous prime is 1243999997. The next prime is 1244000003. The reversal of 1244000002 is 2000004421.

It is not an unprimeable number, because it can be changed into a prime (1244000003) 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, 20274 + ... + 53842.

It is an arithmetic number, because the mean of its divisors is an integer number (133340040).

Almost surely, 2^1244000002 is an apocalyptic number.

1244000002 is a deficient number, since it is larger than the sum of its proper divisors (889440638).

1244000002 is a wasteful number, since it uses less digits than its factorization.

1244000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36225.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1244000002 is about 35270.3842054492. The cubic root of 1244000002 is about 1075.4910327865.

Adding to 1244000002 its reverse (2000004421), we get a palindrome (3244004423).

The spelling of 1244000002 in words is "one billion, two hundred forty-four million, two", and thus it is an aban number.