670122 has 24 divisors (see below), whose sum is σ = 1478880. Its totient is φ = 219240.

The previous prime is 670099. The next prime is 670129. The reversal of 670122 is 221076.

It is a happy number.

670122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 670095 and 670104.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670122.

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

670122 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 11 ways as a sum of consecutive naturals, for example, 747 + ... + 1377.

It is an arithmetic number, because the mean of its divisors is an integer number (61620).

2⁶⁷⁰¹²² is an apocalyptic number.

670122 is an abundant number, since it is smaller than the sum of its proper divisors (808758).

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

670122 is a wasteful number, since it uses less digits than its factorization.

670122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 670122 is about 818.6097971561. The cubic root of 670122 is about 87.5087120577.

Adding to 670122 its reverse (221076), we get a palindrome (891198).

The spelling of 670122 in words is "six hundred seventy thousand, one hundred twenty-two".