121320608 has 24 divisors (see below), whose sum is σ = 246556800. Its totient is φ = 58703040.

The previous prime is 121320593. The next prime is 121320623. The reversal of 121320608 is 806023121.

It is an interprime number because it is at equal distance from previous prime (121320593) and next prime (121320623).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60158 + ... + 62141.

It is an arithmetic number, because the mean of its divisors is an integer number (10273200).

Almost surely, 2^121320608 is an apocalyptic number.

It is an amenable number.

121320608 is an abundant number, since it is smaller than the sum of its proper divisors (125236192).

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

121320608 is a wasteful number, since it uses less digits than its factorization.

121320608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122340 (or 122332 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 121320608 is about 11014.5634502689. The cubic root of 121320608 is about 495.0452062241.

Adding to 121320608 its reverse (806023121), we get a palindrome (927343729).

The spelling of 121320608 in words is "one hundred twenty-one million, three hundred twenty thousand, six hundred eight".