1244023002 has 32 divisors (see below), whose sum is σ = 2768684160. Its totient is φ = 414046080.

The previous prime is 1244022953. The next prime is 1244023019. The reversal of 1244023002 is 2003204421.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19227 + ... + 53457.

It is an arithmetic number, because the mean of its divisors is an integer number (86521380).

Almost surely, 2^1244023002 is an apocalyptic number.

1244023002 is an abundant number, since it is smaller than the sum of its proper divisors (1524661158).

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

1244023002 is a wasteful number, since it uses less digits than its factorization.

1244023002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34915 (or 34909 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1244023002 is about 35270.7102565287. The cubic root of 1244023002 is about 1075.4976609058.

Adding to 1244023002 its reverse (2003204421), we get a palindrome (3247227423).

The spelling of 1244023002 in words is "one billion, two hundred forty-four million, twenty-three thousand, two".