102721703060 has 24 divisors (see below), whose sum is σ = 217624568616. Its totient is φ = 40725063680.

The previous prime is 102721703009. The next prime is 102721703087. The reversal of 102721703060 is 60307127201.

It can be written as a sum of positive squares in 4 ways, for example, as 8941215364 + 93780487696 = 94558^2 + 306236^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22723781 + ... + 22728300.

It is an arithmetic number, because the mean of its divisors is an integer number (9067690359).

Almost surely, 2^102721703060 is an apocalyptic number.

102721703060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102721703060 is an abundant number, since it is smaller than the sum of its proper divisors (114902865556).

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

102721703060 is a wasteful number, since it uses less digits than its factorization.

102721703060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45452203 (or 45452201 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The spelling of 102721703060 in words is "one hundred two billion, seven hundred twenty-one million, seven hundred three thousand, sixty".