122170 has 16 divisors (see below), whose sum is σ = 231840. Its totient is φ = 46224.

The previous prime is 122167. The next prime is 122173. The reversal of 122170 is 71221.

122170 = 71² + 72² + ... + 89².

It is an interprime number because it is at equal distance from previous prime (122167) and next prime (122173).

It is a self number, because there is not a number n which added to its sum of digits gives 122170.

It is not an unprimeable number, because it can be changed into a prime (122173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132 + ... + 511.

It is an arithmetic number, because the mean of its divisors is an integer number (14490).

2¹²²¹⁷⁰ is an apocalyptic number.

122170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122170 is a deficient number, since it is larger than the sum of its proper divisors (109670).

122170 is a wasteful number, since it uses less digits than its factorization.

122170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 122170 is about 349.5282535075. The cubic root of 122170 is about 49.6197826915.

Adding to 122170 its reverse (71221), we get a palindrome (193391).

It can be divided in two parts, 122 and 170, that added together give a palindrome (292).

The spelling of 122170 in words is "one hundred twenty-two thousand, one hundred seventy", and thus it is an iban number.