102047784225 has 12 divisors (see below), whose sum is σ = 168719003376. Its totient is φ = 54425484880.

The previous prime is 102047784203. The next prime is 102047784271. The reversal of 102047784225 is 522487740201.

It is not a de Polignac number, because 102047784225 - 2⁹ = 102047783713 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 680318487 + ... + 680318636.

It is an arithmetic number, because the mean of its divisors is an integer number (14059916948).

Almost surely, 2^102047784225 is an apocalyptic number.

102047784225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102047784225 is a deficient number, since it is larger than the sum of its proper divisors (66671219151).

102047784225 is a wasteful number, since it uses less digits than its factorization.

102047784225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360637136 (or 1360637131 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 42.

The spelling of 102047784225 in words is "one hundred two billion, forty-seven million, seven hundred eighty-four thousand, two hundred twenty-five".