121170 has 32 divisors (see below), whose sum is σ = 332928. Its totient is φ = 27648.

The previous prime is 121169. The next prime is 121171. The reversal of 121170 is 71121.

It is an interprime number because it is at equal distance from previous prime (121169) and next prime (121171).

It is not an unprimeable number, because it can be changed into a prime (121171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79 + ... + 498.

It is an arithmetic number, because the mean of its divisors is an integer number (10404).

2¹²¹¹⁷⁰ is an apocalyptic number.

121170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166464).

121170 is an abundant number, since it is smaller than the sum of its proper divisors (211758).

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

121170 is a wasteful number, since it uses less digits than its factorization.

121170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594.

The product of its (nonzero) digits is 14, while the sum is 12.

The square root of 121170 is about 348.0948146698. The cubic root of 121170 is about 49.4840270879.

Adding to 121170 its reverse (71121), we get a palindrome (192291).

The spelling of 121170 in words is "one hundred twenty-one thousand, one hundred seventy", and thus it is an iban number.