121208960 has 32 divisors (see below), whose sum is σ = 289766700. Its totient is φ = 48483328.

The previous prime is 121208957. The next prime is 121209007. The reversal of 121208960 is 69802121.

It can be written as a sum of positive squares in 2 ways, for example, as 117852736 + 3356224 = 10856^2 + 1832^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×121208960² = 29383223968563200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94055 + ... + 95334.

Almost surely, 2^121208960 is an apocalyptic number.

121208960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121208960 is an abundant number, since it is smaller than the sum of its proper divisors (168557740).

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

121208960 is an equidigital number, since it uses as much as digits as its factorization.

121208960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189408 (or 189396 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 121208960 is about 11009.4940846526. The cubic root of 121208960 is about 494.8933008127.

The spelling of 121208960 in words is "one hundred twenty-one million, two hundred eight thousand, nine hundred sixty".