121020032 has 64 divisors (see below), whose sum is σ = 284490240. Its totient is φ = 50181120.

The previous prime is 121020019. The next prime is 121020061. The reversal of 121020032 is 230020121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 121019995 and 121020022.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25598 + ... + 29954.

It is an arithmetic number, because the mean of its divisors is an integer number (4445160).

Almost surely, 2^121020032 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 121020032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142245120).

121020032 is an abundant number, since it is smaller than the sum of its proper divisors (163470208).

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

121020032 is an equidigital number, since it uses as much as digits as its factorization.

121020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4409 (or 4397 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 121020032 is about 11000.9105077716. The cubic root of 121020032 is about 494.6360375911.

Adding to 121020032 its reverse (230020121), we get a palindrome (351040153).

The spelling of 121020032 in words is "one hundred twenty-one million, twenty thousand, thirty-two".