102729712 has 20 divisors (see below), whose sum is σ = 199514016. Its totient is φ = 51242240.

The previous prime is 102729703. The next prime is 102729721. The reversal of 102729712 is 217927201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102729703) and next prime (102729721).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553 + ... + 14344.

Almost surely, 2^102729712 is an apocalyptic number.

It is an amenable number.

102729712 is a deficient number, since it is larger than the sum of its proper divisors (96784304).

102729712 is a wasteful number, since it uses less digits than its factorization.

102729712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15336 (or 15330 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 102729712 is about 10135.5666837133. The cubic root of 102729712 is about 468.3444270987.

The spelling of 102729712 in words is "one hundred two million, seven hundred twenty-nine thousand, seven hundred twelve".