660122 has 4 divisors (see below), whose sum is σ = 990186. Its totient is φ = 330060.

The previous prime is 660119. The next prime is 660131. The reversal of 660122 is 221066.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221066 = 2 ⋅110533.

It can be written as a sum of positive squares in only one way, i.e., 657721 + 2401 = 811^2 + 49^2 .

It is a super-2 number, since 2×660122² = 871522109768, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 660122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165029 + ... + 165032.

2⁶⁶⁰¹²² is an apocalyptic number.

660122 is a deficient number, since it is larger than the sum of its proper divisors (330064).

660122 is a wasteful number, since it uses less digits than its factorization.

660122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330063.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 660122 is about 812.4789228035. The cubic root of 660122 is about 87.0712412464.

Adding to 660122 its reverse (221066), we get a palindrome (881188).

The spelling of 660122 in words is "six hundred sixty thousand, one hundred twenty-two".