121080 has 32 divisors (see below), whose sum is σ = 363600. Its totient is φ = 32256.

The previous prime is 121067. The next prime is 121081. The reversal of 121080 is 80121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385 + ... + 624.

2¹²¹⁰⁸⁰ is an apocalyptic number.

121080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121080 is an abundant number, since it is smaller than the sum of its proper divisors (242520).

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

121080 is a wasteful number, since it uses less digits than its factorization.

121080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023 (or 1019 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 121080 is about 347.9655155328. The cubic root of 121080 is about 49.4717724993.

The spelling of 121080 in words is "one hundred twenty-one thousand, eighty".