1244002102 has 12 divisors (see below), whose sum is σ = 2170656900. Its totient is φ = 533143716.

The previous prime is 1244002099. The next prime is 1244002103. The reversal of 1244002102 is 2012004421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244002103) 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 5 ways as a sum of consecutive naturals, for example, 6346852 + ... + 6347047.

It is an arithmetic number, because the mean of its divisors is an integer number (180888075).

Almost surely, 2^1244002102 is an apocalyptic number.

1244002102 is a deficient number, since it is larger than the sum of its proper divisors (926654798).

1244002102 is a wasteful number, since it uses less digits than its factorization.

1244002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12693915 (or 12693908 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1244002102 is about 35270.4139754554. The cubic root of 1244002102 is about 1075.4916379660.

Adding to 1244002102 its reverse (2012004421), we get a palindrome (3256006523).

The spelling of 1244002102 in words is "one billion, two hundred forty-four million, two thousand, one hundred two".