102798912 has 56 divisors (see below), whose sum is σ = 275856192. Its totient is φ = 33779200.

The previous prime is 102798877. The next prime is 102798929. The reversal of 102798912 is 219897201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9862 + ... + 17402.

Almost surely, 2^102798912 is an apocalyptic number.

102798912 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 102798912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137928096).

102798912 is an abundant number, since it is smaller than the sum of its proper divisors (173057280).

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

102798912 is an equidigital number, since it uses as much as digits as its factorization.

102798912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7627 (or 7617 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 102798912 is about 10138.9798303380. The cubic root of 102798912 is about 468.4495643542.

It can be divided in two parts, 10279 and 8912, that added together give a palindrome (19191).

The spelling of 102798912 in words is "one hundred two million, seven hundred ninety-eight thousand, nine hundred twelve".