670120 has 32 divisors (see below), whose sum is σ = 1645920. Its totient is φ = 243520.

The previous prime is 670099. The next prime is 670129. The reversal of 670120 is 21076.

It is a junction number, because it is equal to n+sod(n) for n = 670094 and 670103.

It is not an unprimeable number, because it can be changed into a prime (670129) by changing a digit.

670120 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322 + ... + 1201.

It is an arithmetic number, because the mean of its divisors is an integer number (51435).

2⁶⁷⁰¹²⁰ is an apocalyptic number.

It is an amenable number.

670120 is an abundant number, since it is smaller than the sum of its proper divisors (975800).

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

670120 is a wasteful number, since it uses less digits than its factorization.

670120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545 (or 1541 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 670120 is about 818.6085755720. The cubic root of 670120 is about 87.5086250001.

Adding to 670120 its reverse (21076), we get a palindrome (691196).

The spelling of 670120 in words is "six hundred seventy thousand, one hundred twenty".