102828121 has 8 divisors (see below), whose sum is σ = 118774944. Its totient is φ = 87981120.

The previous prime is 102828073. The next prime is 102828137. The reversal of 102828121 is 121828201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102828121 - 2⁷ = 102827993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102828181) 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, 274755 + ... + 275128.

It is an arithmetic number, because the mean of its divisors is an integer number (14846868).

Almost surely, 2^102828121 is an apocalyptic number.

102828121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102828121 is a deficient number, since it is larger than the sum of its proper divisors (15946823).

102828121 is a wasteful number, since it uses less digits than its factorization.

102828121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549911.

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 102828121 is about 10140.4201589481. The cubic root of 102828121 is about 468.4939281428.

The spelling of 102828121 in words is "one hundred two million, eight hundred twenty-eight thousand, one hundred twenty-one".