121132112 has 40 divisors (see below), whose sum is σ = 239961576. Its totient is φ = 59222016.

The previous prime is 121132079. The next prime is 121132127. The reversal of 121132112 is 211231121.

It can be written as a sum of positive squares in 4 ways, for example, as 30958096 + 90174016 = 5564^2 + 9496^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159638 + ... + 160394.

Almost surely, 2^121132112 is an apocalyptic number.

It is an amenable number.

121132112 is a deficient number, since it is larger than the sum of its proper divisors (118829464).

121132112 is a wasteful number, since it uses less digits than its factorization.

121132112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975 (or 969 counting only the distinct ones).

The product of its digits is 24, while the sum is 14.

The square root of 121132112 is about 11006.0034526616. The cubic root of 121132112 is about 494.7886891825.

Adding to 121132112 its reverse (211231121), we get a palindrome (332363233).

Subtracting 121132112 from its reverse (211231121), we obtain a palindrome (90099009).

The spelling of 121132112 in words is "one hundred twenty-one million, one hundred thirty-two thousand, one hundred twelve".