121020330 has 16 divisors (see below), whose sum is σ = 290448864. Its totient is φ = 32272080.

The previous prime is 121020307. The next prime is 121020371. The reversal of 121020330 is 33020121.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2016976 + ... + 2017035.

It is an arithmetic number, because the mean of its divisors is an integer number (18153054).

Almost surely, 2^121020330 is an apocalyptic number.

121020330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121020330 is an abundant number, since it is smaller than the sum of its proper divisors (169428534).

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

121020330 is a wasteful number, since it uses less digits than its factorization.

121020330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034021.

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

The square root of 121020330 is about 11000.9240520967. The cubic root of 121020330 is about 494.6364435884.

Adding to 121020330 its reverse (33020121), we get a palindrome (154040451).

The spelling of 121020330 in words is "one hundred twenty-one million, twenty thousand, three hundred thirty".