121960 has 16 divisors (see below), whose sum is σ = 274500. Its totient is φ = 48768.

The previous prime is 121951. The next prime is 121963. The reversal of 121960 is 69121.

It can be written as a sum of positive squares in 2 ways, for example, as 111556 + 10404 = 334^2 + 102^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121963) by changing a digit.

121960 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 3 ways as a sum of consecutive naturals, for example, 1485 + ... + 1564.

2¹²¹⁹⁶⁰ is an apocalyptic number.

121960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121960 is an abundant number, since it is smaller than the sum of its proper divisors (152540).

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

121960 is a wasteful number, since it uses less digits than its factorization.

121960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060 (or 3056 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 121960 is about 349.2277194038. The cubic root of 121960 is about 49.5913356354.

It can be divided in two parts, 121 and 960, that added together give a triangular number (1081 = T₄₆).

The spelling of 121960 in words is "one hundred twenty-one thousand, nine hundred sixty".