121033020 has 24 divisors (see below), whose sum is σ = 338892624. Its totient is φ = 32275456.

The previous prime is 121033019. The next prime is 121033039. The reversal of 121033020 is 20330121.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 121032987 and 121033005.

It is a congruent number.

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, 1008549 + ... + 1008668.

It is an arithmetic number, because the mean of its divisors is an integer number (14120526).

Almost surely, 2^121033020 is an apocalyptic number.

121033020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121033020 is an abundant number, since it is smaller than the sum of its proper divisors (217859604).

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

121033020 is a wasteful number, since it uses less digits than its factorization.

121033020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017229 (or 2017227 counting only the distinct ones).

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

The square root of 121033020 is about 11001.5008067081. The cubic root of 121033020 is about 494.6537319153.

Adding to 121033020 its reverse (20330121), we get a palindrome (141363141).

The spelling of 121033020 in words is "one hundred twenty-one million, thirty-three thousand, twenty".