121232108 has 6 divisors (see below), whose sum is σ = 212156196. Its totient is φ = 60616052.

The previous prime is 121232101. The next prime is 121232119. The reversal of 121232108 is 801232121.

It is a self number, because there is not a number n which added to its sum of digits gives 121232108.

It is not an unprimeable number, because it can be changed into a prime (121232101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15154010 + ... + 15154017.

It is an arithmetic number, because the mean of its divisors is an integer number (35359366).

Almost surely, 2^121232108 is an apocalyptic number.

It is an amenable number.

121232108 is a deficient number, since it is larger than the sum of its proper divisors (90924088).

121232108 is a wasteful number, since it uses less digits than its factorization.

121232108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30308031 (or 30308029 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 121232108 is about 11010.5453089300. The cubic root of 121232108 is about 494.9248030519.

Adding to 121232108 its reverse (801232121), we get a palindrome (922464229).

The spelling of 121232108 in words is "one hundred twenty-one million, two hundred thirty-two thousand, one hundred eight".