102659285720 has 32 divisors (see below), whose sum is σ = 231221362320. Its totient is φ = 41021408640.

The previous prime is 102659285717. The next prime is 102659285723. The reversal of 102659285720 is 27582956201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102659285717) and next prime (102659285723).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102659285723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282727 + ... + 1360406.

Almost surely, 2^102659285720 is an apocalyptic number.

102659285720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102659285720 is an abundant number, since it is smaller than the sum of its proper divisors (128562076600).

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

102659285720 is a wasteful number, since it uses less digits than its factorization.

102659285720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644115 (or 2644111 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 102659285720 in words is "one hundred two billion, six hundred fifty-nine million, two hundred eighty-five thousand, seven hundred twenty".