121480560 has 140 divisors (see below), whose sum is σ = 423673032. Its totient is φ = 32379264.

The previous prime is 121480553. The next prime is 121480577. The reversal of 121480560 is 65084121.

121480560 is a `hidden beast` number, since 1 + 21 + 4 + 80 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 57279 + ... + 59361.

Almost surely, 2^121480560 is an apocalyptic number.

121480560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121480560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211836516).

121480560 is an abundant number, since it is smaller than the sum of its proper divisors (302192472).

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

121480560 is an equidigital number, since it uses as much as digits as its factorization.

121480560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114 (or 2093 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 121480560 is about 11021.8219909414. The cubic root of 121480560 is about 495.2626705073.

The spelling of 121480560 in words is "one hundred twenty-one million, four hundred eighty thousand, five hundred sixty".