121480 has 16 divisors (see below), whose sum is σ = 273420. Its totient is φ = 48576.

The previous prime is 121469. The next prime is 121487. The reversal of 121480 is 84121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 119716 + 1764 = 346^2 + 42^2 .

It is not an unprimeable number, because it can be changed into a prime (121487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1479 + ... + 1558.

2¹²¹⁴⁸⁰ is an apocalyptic number.

121480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121480 is an abundant number, since it is smaller than the sum of its proper divisors (151940).

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

121480 is a wasteful number, since it uses less digits than its factorization.

121480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048 (or 3044 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 121480 is about 348.5398112124. The cubic root of 121480 is about 49.5261909487.

The spelling of 121480 in words is "one hundred twenty-one thousand, four hundred eighty".