102900798 has 96 divisors (see below), whose sum is σ = 299400192. Its totient is φ = 24667200.

The previous prime is 102900793. The next prime is 102900799. The reversal of 102900798 is 897009201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102900793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15163 + ... + 20873.

It is an arithmetic number, because the mean of its divisors is an integer number (3118752).

Almost surely, 2^102900798 is an apocalyptic number.

102900798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102900798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149700096).

102900798 is an abundant number, since it is smaller than the sum of its proper divisors (196499394).

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

102900798 is a wasteful number, since it uses less digits than its factorization.

102900798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5750 (or 5747 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 102900798 is about 10144.0030559932. The cubic root of 102900798 is about 468.6042764092.

Adding to 102900798 its reverse (897009201), we get a palindrome (999909999).

The spelling of 102900798 in words is "one hundred two million, nine hundred thousand, seven hundred ninety-eight".