102002044 has 24 divisors (see below), whose sum is σ = 184329488. Its totient is φ = 49351680.

The previous prime is 102002003. The next prime is 102002071. The reversal of 102002044 is 440200201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26779 + ... + 30349.

Almost surely, 2^102002044 is an apocalyptic number.

It is an amenable number.

102002044 is a deficient number, since it is larger than the sum of its proper divisors (82327444).

102002044 is a wasteful number, since it uses less digits than its factorization.

102002044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3805 (or 3803 counting only the distinct ones).

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

The square root of 102002044 is about 10099.6061309340. The cubic root of 102002044 is about 467.2359938081.

Adding to 102002044 its reverse (440200201), we get a palindrome (542202245).

The spelling of 102002044 in words is "one hundred two million, two thousand, forty-four".