121020441 has 8 divisors (see below), whose sum is σ = 164793984. Its totient is φ = 78963600.

The previous prime is 121020439. The next prime is 121020463. The reversal of 121020441 is 144020121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121020441 - 2¹ = 121020439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121020441.

It is not an unprimeable number, because it can be changed into a prime (121020241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429010 + ... + 429291.

It is an arithmetic number, because the mean of its divisors is an integer number (20599248).

Almost surely, 2^121020441 is an apocalyptic number.

It is an amenable number.

121020441 is a deficient number, since it is larger than the sum of its proper divisors (43773543).

121020441 is an equidigital number, since it uses as much as digits as its factorization.

121020441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858351.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 121020441 is about 11000.9290971263. The cubic root of 121020441 is about 494.6365948154.

Adding to 121020441 its reverse (144020121), we get a palindrome (265040562).

The spelling of 121020441 in words is "one hundred twenty-one million, twenty thousand, four hundred forty-one".