102012244 has 12 divisors (see below), whose sum is σ = 180967444. Its totient is φ = 50307264.

The previous prime is 102012233. The next prime is 102012247. The reversal of 102012244 is 442210201.

It can be written as a sum of positive squares in 2 ways, for example, as 69522244 + 32490000 = 8338^2 + 5700^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102012247) 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 3 ways as a sum of consecutive naturals, for example, 174387 + ... + 174970.

Almost surely, 2^102012244 is an apocalyptic number.

It is an amenable number.

102012244 is a deficient number, since it is larger than the sum of its proper divisors (78955200).

102012244 is a wasteful number, since it uses less digits than its factorization.

102012244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349434 (or 349432 counting only the distinct ones).

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

The square root of 102012244 is about 10100.1110884980. Note that the first 3 decimals coincide. The cubic root of 102012244 is about 467.2515675100.

Adding to 102012244 its reverse (442210201), we get a palindrome (544222445).

The spelling of 102012244 in words is "one hundred two million, twelve thousand, two hundred forty-four".