102728528 has 20 divisors (see below), whose sum is σ = 227470560. Its totient is φ = 44026464.

The previous prime is 102728489. The next prime is 102728531. The reversal of 102728528 is 825827201.

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, 458498 + ... + 458721.

It is an arithmetic number, because the mean of its divisors is an integer number (11373528).

Almost surely, 2^102728528 is an apocalyptic number.

It is an amenable number.

102728528 is an abundant number, since it is smaller than the sum of its proper divisors (124742032).

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

102728528 is an equidigital number, since it uses as much as digits as its factorization.

102728528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917234 (or 917228 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 102728528 is about 10135.5082753654. The cubic root of 102728528 is about 468.3426278077.

The spelling of 102728528 in words is "one hundred two million, seven hundred twenty-eight thousand, five hundred twenty-eight".