102001244 has 12 divisors (see below), whose sum is σ = 179198544. Its totient is φ = 50801664.

The previous prime is 102001217. The next prime is 102001247. The reversal of 102001244 is 442100201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48584 + ... + 50639.

It is an arithmetic number, because the mean of its divisors is an integer number (14933212).

Almost surely, 2^102001244 is an apocalyptic number.

It is an amenable number.

102001244 is a deficient number, since it is larger than the sum of its proper divisors (77197300).

102001244 is a wasteful number, since it uses less digits than its factorization.

102001244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99484 (or 99482 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 102001244 is about 10099.5665253515. The cubic root of 102001244 is about 467.2347722974.

Adding to 102001244 its reverse (442100201), we get a palindrome (544101445).

The spelling of 102001244 in words is "one hundred two million, one thousand, two hundred forty-four".