8700120 has 192 divisors, whose sum is σ = 33415200. Its totient is φ = 1946880.

The previous prime is 8700113. The next prime is 8700121. The reversal of 8700120 is 210078.

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 = 8700093 and 8700102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8700121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 669234 + ... + 669246.

Almost surely, 2^8700120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8700120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16707600).

8700120 is an abundant number, since it is smaller than the sum of its proper divisors (24715080).

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

8700120 is a wasteful number, since it uses less digits than its factorization.

8700120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 8700120 is about 2949.5965825855. The cubic root of 8700120 is about 205.6719572301.

Adding to 8700120 its reverse (210078), we get a palindrome (8910198).

The spelling of 8700120 in words is "eight million, seven hundred thousand, one hundred twenty".