121030032 has 80 divisors (see below), whose sum is σ = 324354240. Its totient is φ = 38860800.

The previous prime is 121030031. The next prime is 121030043. The reversal of 121030032 is 230030121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (121030031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174807 + ... + 175497.

It is an arithmetic number, because the mean of its divisors is an integer number (4054428).

Almost surely, 2^121030032 is an apocalyptic number.

121030032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121030032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162177120).

121030032 is an abundant number, since it is smaller than the sum of its proper divisors (203324208).

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

121030032 is a wasteful number, since it uses less digits than its factorization.

121030032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 121030032 is about 11001.3650062163. The cubic root of 121030032 is about 494.6496612975.

Adding to 121030032 its reverse (230030121), we get a palindrome (351060153).

The spelling of 121030032 in words is "one hundred twenty-one million, thirty thousand, thirty-two".