121132232 has 32 divisors (see below), whose sum is σ = 246267000. Its totient is φ = 55524864.

The previous prime is 121132213. The next prime is 121132241. The reversal of 121132232 is 232231121.

It can be written as a sum of positive squares in 4 ways, for example, as 18028516 + 103103716 = 4246^2 + 10154^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121132232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11588 + ... + 19404.

Almost surely, 2^121132232 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 121132232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123133500).

121132232 is an abundant number, since it is smaller than the sum of its proper divisors (125134768).

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

121132232 is a wasteful number, since it uses less digits than its factorization.

121132232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7985 (or 7981 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 121132232 is about 11006.0089042305. The cubic root of 121132232 is about 494.7888525706.

Adding to 121132232 its reverse (232231121), we get a palindrome (353363353).

The spelling of 121132232 in words is "one hundred twenty-one million, one hundred thirty-two thousand, two hundred thirty-two".