121544908 has 12 divisors (see below), whose sum is σ = 213166240. Its totient is φ = 60640272.

The previous prime is 121544873. The next prime is 121544909. The reversal of 121544908 is 809445121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121544909) 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, 30963 + ... + 34666.

Almost surely, 2^121544908 is an apocalyptic number.

It is an amenable number.

121544908 is a deficient number, since it is larger than the sum of its proper divisors (91621332).

121544908 is a wasteful number, since it uses less digits than its factorization.

121544908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66096 (or 66094 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 121544908 is about 11024.7407225748. The cubic root of 121544908 is about 495.3501016073.

The spelling of 121544908 in words is "one hundred twenty-one million, five hundred forty-four thousand, nine hundred eight".