121105441 has 4 divisors (see below), whose sum is σ = 121185472. Its totient is φ = 121025412.

The previous prime is 121105427. The next prime is 121105447. The reversal of 121105441 is 144501121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121105441 - 2⁵ = 121105409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121105447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37701 + ... + 40786.

It is an arithmetic number, because the mean of its divisors is an integer number (30296368).

Almost surely, 2^121105441 is an apocalyptic number.

It is an amenable number.

121105441 is a deficient number, since it is larger than the sum of its proper divisors (80031).

121105441 is an equidigital number, since it uses as much as digits as its factorization.

121105441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80030.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 121105441 is about 11004.7917290606. The cubic root of 121105441 is about 494.7523721466.

Adding to 121105441 its reverse (144501121), we get a palindrome (265606562).

The spelling of 121105441 in words is "one hundred twenty-one million, one hundred five thousand, four hundred forty-one".