102539712 has 112 divisors (see below), whose sum is σ = 302556672. Its totient is φ = 30382080.

The previous prime is 102539711. The next prime is 102539743. The reversal of 102539712 is 217935201.

It is a self number, because there is not a number n which added to its sum of digits gives 102539712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102539711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98748 + ... + 99780.

Almost surely, 2^102539712 is an apocalyptic number.

102539712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102539712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151278336).

102539712 is an abundant number, since it is smaller than the sum of its proper divisors (200016960).

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

102539712 is a wasteful number, since it uses less digits than its factorization.

102539712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106 (or 1096 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 102539712 is about 10126.1894116198. The cubic root of 102539712 is about 468.0555124449.

The spelling of 102539712 in words is "one hundred two million, five hundred thirty-nine thousand, seven hundred twelve".