121131332 has 36 divisors (see below), whose sum is σ = 249742080. Its totient is φ = 51249744.

The previous prime is 121131323. The next prime is 121131349. The reversal of 121131332 is 233131121.

It is a self number, because there is not a number n which added to its sum of digits gives 121131332.

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 11 ways as a sum of consecutive naturals, for example, 11573 + ... + 19395.

It is an arithmetic number, because the mean of its divisors is an integer number (6937280).

Almost surely, 2^121131332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121131332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124871040).

121131332 is an abundant number, since it is smaller than the sum of its proper divisors (128610748).

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

121131332 is a wasteful number, since it uses less digits than its factorization.

121131332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7920 (or 7911 counting only the distinct ones).

The product of its digits is 108, while the sum is 17.

The square root of 121131332 is about 11005.9680173986. The cubic root of 121131332 is about 494.7876271575.

Adding to 121131332 its reverse (233131121), we get a palindrome (354262453).

The spelling of 121131332 in words is "one hundred twenty-one million, one hundred thirty-one thousand, three hundred thirty-two".