121230980 has 24 divisors (see below), whose sum is σ = 274169112. Its totient is φ = 44762112.

The previous prime is 121230979. The next prime is 121231003. The reversal of 121230980 is 89032121.

121230980 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3378244 + 117852736 = 1838^2 + 10856^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

121230980 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232877 + ... + 233396.

It is an arithmetic number, because the mean of its divisors is an integer number (11423713).

Almost surely, 2^121230980 is an apocalyptic number.

121230980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121230980 is an abundant number, since it is smaller than the sum of its proper divisors (152938132).

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

121230980 is a wasteful number, since it uses less digits than its factorization.

121230980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466295 (or 466293 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 121230980 is about 11010.4940851898. The cubic root of 121230980 is about 494.9232680435.

The spelling of 121230980 in words is "one hundred twenty-one million, two hundred thirty thousand, nine hundred eighty".