102534656 has 120 divisors (see below), whose sum is σ = 245839176. Its totient is φ = 42577920.

The previous prime is 102534647. The next prime is 102534689. The reversal of 102534656 is 656435201.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1530335 + ... + 1530401.

Almost surely, 2^102534656 is an apocalyptic number.

102534656 is a gapful number since it is divisible by the number (16) 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 102534656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122919588).

102534656 is an abundant number, since it is smaller than the sum of its proper divisors (143304520).

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

102534656 is an frugal number, since it uses more digits than its factorization.

102534656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 102534656 is about 10125.9397588570. The cubic root of 102534656 is about 468.0478194009.

Adding to 102534656 its reverse (656435201), we get a palindrome (758969857).

The spelling of 102534656 in words is "one hundred two million, five hundred thirty-four thousand, six hundred fifty-six".