102928920 has 32 divisors (see below), whose sum is σ = 308787120. Its totient is φ = 27447680.

The previous prime is 102928883. The next prime is 102928921. The reversal of 102928920 is 29829201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102928921) 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, 428751 + ... + 428990.

Almost surely, 2^102928920 is an apocalyptic number.

102928920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102928920 is an abundant number, since it is smaller than the sum of its proper divisors (205858200).

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

102928920 is a wasteful number, since it uses less digits than its factorization.

102928920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857755 (or 857751 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 102928920 is about 10145.3891004732. The cubic root of 102928920 is about 468.6469611743.

The spelling of 102928920 in words is "one hundred two million, nine hundred twenty-eight thousand, nine hundred twenty".