8450120 has 64 divisors (see below), whose sum is σ = 22014720. Its totient is φ = 2859264.

The previous prime is 8450089. The next prime is 8450149. The reversal of 8450120 is 210548.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 8450092 and 8450101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28694 + ... + 28986.

It is an arithmetic number, because the mean of its divisors is an integer number (343980).

Almost surely, 2^8450120 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 8450120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11007360).

8450120 is an abundant number, since it is smaller than the sum of its proper divisors (13564600).

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

8450120 is a wasteful number, since it uses less digits than its factorization.

8450120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 8450120 is about 2906.9090113039. The cubic root of 8450120 is about 203.6827697945.

Adding to 8450120 its reverse (210548), we get a palindrome (8660668).

The spelling of 8450120 in words is "eight million, four hundred fifty thousand, one hundred twenty".