102804120 has 64 divisors (see below), whose sum is σ = 342684000. Its totient is φ = 27414144.

The previous prime is 102804077. The next prime is 102804127. The reversal of 102804120 is 21408201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102804093 and 102804102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102804127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46515 + ... + 48674.

Almost surely, 2^102804120 is an apocalyptic number.

102804120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102804120 is an abundant number, since it is smaller than the sum of its proper divisors (239879880).

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

102804120 is a wasteful number, since it uses less digits than its factorization.

102804120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95209 (or 95199 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 102804120 is about 10139.2366576582. The cubic root of 102804120 is about 468.4574750869.

It can be divided in two parts, 10280 and 4120, that added together give a square (14400 = 120²).

The spelling of 102804120 in words is "one hundred two million, eight hundred four thousand, one hundred twenty".