1244500002 has 24 divisors (see below), whose sum is σ = 2697078384. Its totient is φ = 414731544.

The previous prime is 1244499961. The next prime is 1244500003. The reversal of 1244500002 is 2000054421.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1244500003) 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 11 ways as a sum of consecutive naturals, for example, 117373 + ... + 127535.

It is an arithmetic number, because the mean of its divisors is an integer number (112378266).

Almost surely, 2^1244500002 is an apocalyptic number.

1244500002 is an abundant number, since it is smaller than the sum of its proper divisors (1452578382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244500002 is a wasteful number, since it uses less digits than its factorization.

1244500002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16974 (or 16971 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1244500002 is about 35277.4715930720. The cubic root of 1244500002 is about 1075.6351039243.

Adding to 1244500002 its reverse (2000054421), we get a palindrome (3244554423).

The spelling of 1244500002 in words is "one billion, two hundred forty-four million, five hundred thousand, two".